Home / 238,472,944.80-357,709,417.20-221,254,256.40

Finding the Fourth Proportional to 238,472,944.80, 357,709,417.20 and 221,254,256.40

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Solution

The fourth proportional to 238,472,944.80, 357,709,417.20 and 221,254,256.40 is: 331,881,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,472,944.80 : 357,709,417.20 = 221,254,256.40 : x
  2. Step 2: Convert to fraction form
    238,472,944.80/357,709,417.20 = 221,254,256.40/x
  3. Step 3: Cross multiply
    238,472,944.80x = 357,709,417.20 × 221,254,256.40
  4. Step 4: Simplify right side
    238,472,944.80x = 79,144,731,109,863,376
  5. Step 5: Solve for x
    x = 79,144,731,109,863,376/238,472,944.80
  6. Step 6: Final answer
    x = 331,881,384.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.