Home / 433,304.12-649,969.50-117,767.72

Finding the Fourth Proportional to 433,304.12, 649,969.50 and 117,767.72

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Solution

The fourth proportional to 433,304.12, 649,969.50 and 117,767.72 is: 176,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,304.12 : 649,969.50 = 117,767.72 : x
  2. Step 2: Convert to fraction form
    433,304.12/649,969.50 = 117,767.72/x
  3. Step 3: Cross multiply
    433,304.12x = 649,969.50 × 117,767.72
  4. Step 4: Simplify right side
    433,304.12x = 76,545,426,084.54
  5. Step 5: Solve for x
    x = 76,545,426,084.54/433,304.12
  6. Step 6: Final answer
    x = 176,655.20

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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.