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Finding the Fourth Proportional to 434,221.44, 599,155.92 and 243,242.88

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Solution

The fourth proportional to 434,221.44, 599,155.92 and 243,242.88 is: 335,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,221.44 : 599,155.92 = 243,242.88 : x
  2. Step 2: Convert to fraction form
    434,221.44/599,155.92 = 243,242.88/x
  3. Step 3: Cross multiply
    434,221.44x = 599,155.92 × 243,242.88
  4. Step 4: Simplify right side
    434,221.44x = 145,740,411,549.85
  5. Step 5: Solve for x
    x = 145,740,411,549.85/434,221.44
  6. Step 6: Final answer
    x = 335,636.15

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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.