Home / 491,386.10-736,997.13-136,436.00

Finding the Fourth Proportional to 491,386.10, 736,997.13 and 136,436.00

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Solution

The fourth proportional to 491,386.10, 736,997.13 and 136,436.00 is: 204,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,386.10 : 736,997.13 = 136,436.00 : x
  2. Step 2: Convert to fraction form
    491,386.10/736,997.13 = 136,436.00/x
  3. Step 3: Cross multiply
    491,386.10x = 736,997.13 × 136,436.00
  4. Step 4: Simplify right side
    491,386.10x = 100,552,936,743.69
  5. Step 5: Solve for x
    x = 100,552,936,743.69/491,386.10
  6. Step 6: Final answer
    x = 204,631.22

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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.