Home / 347,917.10-522,048.45-137,561.90

Finding the Fourth Proportional to 347,917.10, 522,048.45 and 137,561.90

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Solution

The fourth proportional to 347,917.10, 522,048.45 and 137,561.90 is: 206,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,917.10 : 522,048.45 = 137,561.90 : x
  2. Step 2: Convert to fraction form
    347,917.10/522,048.45 = 137,561.90/x
  3. Step 3: Cross multiply
    347,917.10x = 522,048.45 × 137,561.90
  4. Step 4: Simplify right side
    347,917.10x = 71,813,976,674.06
  5. Step 5: Solve for x
    x = 71,813,976,674.06/347,917.10
  6. Step 6: Final answer
    x = 206,411.17

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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.