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Finding the Fourth Proportional to 461,453.87, 636,550.47 and 270,430.36

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Solution

The fourth proportional to 461,453.87, 636,550.47 and 270,430.36 is: 373,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,453.87 : 636,550.47 = 270,430.36 : x
  2. Step 2: Convert to fraction form
    461,453.87/636,550.47 = 270,430.36/x
  3. Step 3: Cross multiply
    461,453.87x = 636,550.47 × 270,430.36
  4. Step 4: Simplify right side
    461,453.87x = 172,142,569,577.52
  5. Step 5: Solve for x
    x = 172,142,569,577.52/461,453.87
  6. Step 6: Final answer
    x = 373,043.94

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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.