Home / 344,123.40-516,012.30-156,923.40

Finding the Fourth Proportional to 344,123.40, 516,012.30 and 156,923.40

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Solution

The fourth proportional to 344,123.40, 516,012.30 and 156,923.40 is: 235,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,123.40 : 516,012.30 = 156,923.40 : x
  2. Step 2: Convert to fraction form
    344,123.40/516,012.30 = 156,923.40/x
  3. Step 3: Cross multiply
    344,123.40x = 516,012.30 × 156,923.40
  4. Step 4: Simplify right side
    344,123.40x = 80,974,404,557.82
  5. Step 5: Solve for x
    x = 80,974,404,557.82/344,123.40
  6. Step 6: Final answer
    x = 235,306.30

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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.