Home / 438,746.88-658,114.56-106,325.76

Finding the Fourth Proportional to 438,746.88, 658,114.56 and 106,325.76

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Solution

The fourth proportional to 438,746.88, 658,114.56 and 106,325.76 is: 159,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,746.88 : 658,114.56 = 106,325.76 : x
  2. Step 2: Convert to fraction form
    438,746.88/658,114.56 = 106,325.76/x
  3. Step 3: Cross multiply
    438,746.88x = 658,114.56 × 106,325.76
  4. Step 4: Simplify right side
    438,746.88x = 69,974,530,759.07
  5. Step 5: Solve for x
    x = 69,974,530,759.07/438,746.88
  6. Step 6: Final answer
    x = 159,487.24

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1.5x scale

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.