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Finding the Fourth Proportional to 223,251.80, 334,877.70 and 57,039.80

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Solution

The fourth proportional to 223,251.80, 334,877.70 and 57,039.80 is: 85,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,251.80 : 334,877.70 = 57,039.80 : x
  2. Step 2: Convert to fraction form
    223,251.80/334,877.70 = 57,039.80/x
  3. Step 3: Cross multiply
    223,251.80x = 334,877.70 × 57,039.80
  4. Step 4: Simplify right side
    223,251.80x = 19,101,357,032.46
  5. Step 5: Solve for x
    x = 19,101,357,032.46/223,251.80
  6. Step 6: Final answer
    x = 85,559.70

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1.5x scale

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.