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Finding the Fourth Proportional to 434,166.12, 650,127.56 and 299,645.28

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Solution

The fourth proportional to 434,166.12, 650,127.56 and 299,645.28 is: 448,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,166.12 : 650,127.56 = 299,645.28 : x
  2. Step 2: Convert to fraction form
    434,166.12/650,127.56 = 299,645.28/x
  3. Step 3: Cross multiply
    434,166.12x = 650,127.56 × 299,645.28
  4. Step 4: Simplify right side
    434,166.12x = 194,807,654,751.92
  5. Step 5: Solve for x
    x = 194,807,654,751.92/434,166.12
  6. Step 6: Final answer
    x = 448,693.82

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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.