Home / 369,981.35-554,729.03-145,206.35

Finding the Fourth Proportional to 369,981.35, 554,729.03 and 145,206.35

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Solution

The fourth proportional to 369,981.35, 554,729.03 and 145,206.35 is: 217,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,981.35 : 554,729.03 = 145,206.35 : x
  2. Step 2: Convert to fraction form
    369,981.35/554,729.03 = 145,206.35/x
  3. Step 3: Cross multiply
    369,981.35x = 554,729.03 × 145,206.35
  4. Step 4: Simplify right side
    369,981.35x = 80,550,176,959.31
  5. Step 5: Solve for x
    x = 80,550,176,959.31/369,981.35
  6. Step 6: Final answer
    x = 217,714.15

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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.