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Finding the Fourth Proportional to 424,005.75, 636,300.24 and 174,687.75

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Solution

The fourth proportional to 424,005.75, 636,300.24 and 174,687.75 is: 262,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,005.75 : 636,300.24 = 174,687.75 : x
  2. Step 2: Convert to fraction form
    424,005.75/636,300.24 = 174,687.75/x
  3. Step 3: Cross multiply
    424,005.75x = 636,300.24 × 174,687.75
  4. Step 4: Simplify right side
    424,005.75x = 111,153,857,250.06
  5. Step 5: Solve for x
    x = 111,153,857,250.06/424,005.75
  6. Step 6: Final answer
    x = 262,151.77

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1.5x scale

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.