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Finding the Fourth Proportional to 498,547.13, 747,820.69 and 124,570.13

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Solution

The fourth proportional to 498,547.13, 747,820.69 and 124,570.13 is: 186,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,547.13 : 747,820.69 = 124,570.13 : x
  2. Step 2: Convert to fraction form
    498,547.13/747,820.69 = 124,570.13/x
  3. Step 3: Cross multiply
    498,547.13x = 747,820.69 × 124,570.13
  4. Step 4: Simplify right side
    498,547.13x = 93,156,116,519.46
  5. Step 5: Solve for x
    x = 93,156,116,519.46/498,547.13
  6. Step 6: Final answer
    x = 186,855.19

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Similar ratio
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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.