Home / 296,497.14-409,161.06-160,530

Finding the Fourth Proportional to 296,497.14, 409,161.06 and 160,530

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Solution

The fourth proportional to 296,497.14, 409,161.06 and 160,530 is: 221,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,497.14 : 409,161.06 = 160,530 : x
  2. Step 2: Convert to fraction form
    296,497.14/409,161.06 = 160,530/x
  3. Step 3: Cross multiply
    296,497.14x = 409,161.06 × 160,530
  4. Step 4: Simplify right side
    296,497.14x = 65,682,624,961.80
  5. Step 5: Solve for x
    x = 65,682,624,961.80/296,497.14
  6. Step 6: Final answer
    x = 221,528.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.