Home / 347,664.16-521,601.24-145,358.56

Finding the Fourth Proportional to 347,664.16, 521,601.24 and 145,358.56

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Solution

The fourth proportional to 347,664.16, 521,601.24 and 145,358.56 is: 218,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,664.16 : 521,601.24 = 145,358.56 : x
  2. Step 2: Convert to fraction form
    347,664.16/521,601.24 = 145,358.56/x
  3. Step 3: Cross multiply
    347,664.16x = 521,601.24 × 145,358.56
  4. Step 4: Simplify right side
    347,664.16x = 75,819,205,140.61
  5. Step 5: Solve for x
    x = 75,819,205,140.61/347,664.16
  6. Step 6: Final answer
    x = 218,081.74

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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.