Home / 461,131.06-636,345.28-254,407.72

Finding the Fourth Proportional to 461,131.06, 636,345.28 and 254,407.72

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Solution

The fourth proportional to 461,131.06, 636,345.28 and 254,407.72 is: 351,074.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,131.06 : 636,345.28 = 254,407.72 : x
  2. Step 2: Convert to fraction form
    461,131.06/636,345.28 = 254,407.72/x
  3. Step 3: Cross multiply
    461,131.06x = 636,345.28 × 254,407.72
  4. Step 4: Simplify right side
    461,131.06x = 161,891,151,817.56
  5. Step 5: Solve for x
    x = 161,891,151,817.56/461,131.06
  6. Step 6: Final answer
    x = 351,074.06

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1.5x scale

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.