Home / 347,890.60-522,008.70-137,535.40

Finding the Fourth Proportional to 347,890.60, 522,008.70 and 137,535.40

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Solution

The fourth proportional to 347,890.60, 522,008.70 and 137,535.40 is: 206,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,890.60 : 522,008.70 = 137,535.40 : x
  2. Step 2: Convert to fraction form
    347,890.60/522,008.70 = 137,535.40/x
  3. Step 3: Cross multiply
    347,890.60x = 522,008.70 × 137,535.40
  4. Step 4: Simplify right side
    347,890.60x = 71,794,675,357.98
  5. Step 5: Solve for x
    x = 71,794,675,357.98/347,890.60
  6. Step 6: Final answer
    x = 206,371.41

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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.