Home / 461,277.60-691,912.28-145,734.50

Finding the Fourth Proportional to 461,277.60, 691,912.28 and 145,734.50

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Solution

The fourth proportional to 461,277.60, 691,912.28 and 145,734.50 is: 218,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,277.60 : 691,912.28 = 145,734.50 : x
  2. Step 2: Convert to fraction form
    461,277.60/691,912.28 = 145,734.50/x
  3. Step 3: Cross multiply
    461,277.60x = 691,912.28 × 145,734.50
  4. Step 4: Simplify right side
    461,277.60x = 100,835,490,169.66
  5. Step 5: Solve for x
    x = 100,835,490,169.66/461,277.60
  6. Step 6: Final answer
    x = 218,600.45

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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.