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Finding the Fourth Proportional to 224,312.08, 309,375.65 and 143,747.10

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Solution

The fourth proportional to 224,312.08, 309,375.65 and 143,747.10 is: 198,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,312.08 : 309,375.65 = 143,747.10 : x
  2. Step 2: Convert to fraction form
    224,312.08/309,375.65 = 143,747.10/x
  3. Step 3: Cross multiply
    224,312.08x = 309,375.65 × 143,747.10
  4. Step 4: Simplify right side
    224,312.08x = 44,471,852,857.48
  5. Step 5: Solve for x
    x = 44,471,852,857.48/224,312.08
  6. Step 6: Final answer
    x = 198,258.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.