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Finding the Fourth Proportional to 218,265.08, 301,247.15 and 136,631.34

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Solution

The fourth proportional to 218,265.08, 301,247.15 and 136,631.34 is: 188,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,265.08 : 301,247.15 = 136,631.34 : x
  2. Step 2: Convert to fraction form
    218,265.08/301,247.15 = 136,631.34/x
  3. Step 3: Cross multiply
    218,265.08x = 301,247.15 × 136,631.34
  4. Step 4: Simplify right side
    218,265.08x = 41,159,801,092.52
  5. Step 5: Solve for x
    x = 41,159,801,092.52/218,265.08
  6. Step 6: Final answer
    x = 188,577.13

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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.