Home / 516,423.34-774,633.46-137,343.75

Finding the Fourth Proportional to 516,423.34, 774,633.46 and 137,343.75

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Solution

The fourth proportional to 516,423.34, 774,633.46 and 137,343.75 is: 206,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,423.34 : 774,633.46 = 137,343.75 : x
  2. Step 2: Convert to fraction form
    516,423.34/774,633.46 = 137,343.75/x
  3. Step 3: Cross multiply
    516,423.34x = 774,633.46 × 137,343.75
  4. Step 4: Simplify right side
    516,423.34x = 106,391,063,928.52
  5. Step 5: Solve for x
    x = 106,391,063,928.52/516,423.34
  6. Step 6: Final answer
    x = 206,015.21

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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.