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Finding the Fourth Proportional to 437,342.42, 603,550.92 and 243,750.22

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Solution

The fourth proportional to 437,342.42, 603,550.92 and 243,750.22 is: 336,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,342.42 : 603,550.92 = 243,750.22 : x
  2. Step 2: Convert to fraction form
    437,342.42/603,550.92 = 243,750.22/x
  3. Step 3: Cross multiply
    437,342.42x = 603,550.92 × 243,750.22
  4. Step 4: Simplify right side
    437,342.42x = 147,115,669,531.20
  5. Step 5: Solve for x
    x = 147,115,669,531.20/437,342.42
  6. Step 6: Final answer
    x = 336,385.55

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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.