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Finding the Fourth Proportional to 437,854.60, 656,733.30 and 122,343.40

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Solution

The fourth proportional to 437,854.60, 656,733.30 and 122,343.40 is: 183,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,854.60 : 656,733.30 = 122,343.40 : x
  2. Step 2: Convert to fraction form
    437,854.60/656,733.30 = 122,343.40/x
  3. Step 3: Cross multiply
    437,854.60x = 656,733.30 × 122,343.40
  4. Step 4: Simplify right side
    437,854.60x = 80,346,984,815.22
  5. Step 5: Solve for x
    x = 80,346,984,815.22/437,854.60
  6. Step 6: Final answer
    x = 183,501.52

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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.