Home / 348,326.13-522,535.76-137,914.86

Finding the Fourth Proportional to 348,326.13, 522,535.76 and 137,914.86

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Solution

The fourth proportional to 348,326.13, 522,535.76 and 137,914.86 is: 206,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,326.13 : 522,535.76 = 137,914.86 : x
  2. Step 2: Convert to fraction form
    348,326.13/522,535.76 = 137,914.86/x
  3. Step 3: Cross multiply
    348,326.13x = 522,535.76 × 137,914.86
  4. Step 4: Simplify right side
    348,326.13x = 72,065,443,917.50
  5. Step 5: Solve for x
    x = 72,065,443,917.50/348,326.13
  6. Step 6: Final answer
    x = 206,890.72

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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.