Home / 437,405.47-656,009.69-156,922.72

Finding the Fourth Proportional to 437,405.47, 656,009.69 and 156,922.72

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Solution

The fourth proportional to 437,405.47, 656,009.69 and 156,922.72 is: 235,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,405.47 : 656,009.69 = 156,922.72 : x
  2. Step 2: Convert to fraction form
    437,405.47/656,009.69 = 156,922.72/x
  3. Step 3: Cross multiply
    437,405.47x = 656,009.69 × 156,922.72
  4. Step 4: Simplify right side
    437,405.47x = 102,942,822,476.52
  5. Step 5: Solve for x
    x = 102,942,822,476.52/437,405.47
  6. Step 6: Final answer
    x = 235,348.73

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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.