Home / 347,645.16-521,572.77-145,339.56

Finding the Fourth Proportional to 347,645.16, 521,572.77 and 145,339.56

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Solution

The fourth proportional to 347,645.16, 521,572.77 and 145,339.56 is: 218,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,645.16 : 521,572.77 = 145,339.56 : x
  2. Step 2: Convert to fraction form
    347,645.16/521,572.77 = 145,339.56/x
  3. Step 3: Cross multiply
    347,645.16x = 521,572.77 × 145,339.56
  4. Step 4: Simplify right side
    347,645.16x = 75,805,156,899.78
  5. Step 5: Solve for x
    x = 75,805,156,899.78/347,645.16
  6. Step 6: Final answer
    x = 218,053.25

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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.