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Finding the Fourth Proportional to 240,248.62, 331,133.70 and 219,886.66

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Solution

The fourth proportional to 240,248.62, 331,133.70 and 219,886.66 is: 303,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,248.62 : 331,133.70 = 219,886.66 : x
  2. Step 2: Convert to fraction form
    240,248.62/331,133.70 = 219,886.66/x
  3. Step 3: Cross multiply
    240,248.62x = 331,133.70 × 219,886.66
  4. Step 4: Simplify right side
    240,248.62x = 72,811,884,544.93
  5. Step 5: Solve for x
    x = 72,811,884,544.93/240,248.62
  6. Step 6: Final answer
    x = 303,068.90

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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.