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Finding the Fourth Proportional to 224,337.60, 336,052.80 and 139,838.40

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Solution

The fourth proportional to 224,337.60, 336,052.80 and 139,838.40 is: 209,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,337.60 : 336,052.80 = 139,838.40 : x
  2. Step 2: Convert to fraction form
    224,337.60/336,052.80 = 139,838.40/x
  3. Step 3: Cross multiply
    224,337.60x = 336,052.80 × 139,838.40
  4. Step 4: Simplify right side
    224,337.60x = 46,993,085,867.52
  5. Step 5: Solve for x
    x = 46,993,085,867.52/224,337.60
  6. Step 6: Final answer
    x = 209,474.85

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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.