Home / 369,746.41-554,680.96-129,798.11

Finding the Fourth Proportional to 369,746.41, 554,680.96 and 129,798.11

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Solution

The fourth proportional to 369,746.41, 554,680.96 and 129,798.11 is: 194,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,746.41 : 554,680.96 = 129,798.11 : x
  2. Step 2: Convert to fraction form
    369,746.41/554,680.96 = 129,798.11/x
  3. Step 3: Cross multiply
    369,746.41x = 554,680.96 × 129,798.11
  4. Step 4: Simplify right side
    369,746.41x = 71,996,537,959.74
  5. Step 5: Solve for x
    x = 71,996,537,959.74/369,746.41
  6. Step 6: Final answer
    x = 194,718.70

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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.