Home / 347,582.63-521,377.13-137,220.57

Finding the Fourth Proportional to 347,582.63, 521,377.13 and 137,220.57

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Solution

The fourth proportional to 347,582.63, 521,377.13 and 137,220.57 is: 205,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,582.63 : 521,377.13 = 137,220.57 : x
  2. Step 2: Convert to fraction form
    347,582.63/521,377.13 = 137,220.57/x
  3. Step 3: Cross multiply
    347,582.63x = 521,377.13 × 137,220.57
  4. Step 4: Simplify right side
    347,582.63x = 71,543,666,277.46
  5. Step 5: Solve for x
    x = 71,543,666,277.46/347,582.63
  6. Step 6: Final answer
    x = 205,832.11

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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.