Home / 305,512.40-458,084.50-137,002.26

Finding the Fourth Proportional to 305,512.40, 458,084.50 and 137,002.26

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Solution

The fourth proportional to 305,512.40, 458,084.50 and 137,002.26 is: 205,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,512.40 : 458,084.50 = 137,002.26 : x
  2. Step 2: Convert to fraction form
    305,512.40/458,084.50 = 137,002.26/x
  3. Step 3: Cross multiply
    305,512.40x = 458,084.50 × 137,002.26
  4. Step 4: Simplify right side
    305,512.40x = 62,758,611,770.97
  5. Step 5: Solve for x
    x = 62,758,611,770.97/305,512.40
  6. Step 6: Final answer
    x = 205,420.83

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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.