Home / 344,867.60-517,301.40-145,413.20

Finding the Fourth Proportional to 344,867.60, 517,301.40 and 145,413.20

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Solution

The fourth proportional to 344,867.60, 517,301.40 and 145,413.20 is: 218,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,867.60 : 517,301.40 = 145,413.20 : x
  2. Step 2: Convert to fraction form
    344,867.60/517,301.40 = 145,413.20/x
  3. Step 3: Cross multiply
    344,867.60x = 517,301.40 × 145,413.20
  4. Step 4: Simplify right side
    344,867.60x = 75,222,451,938.48
  5. Step 5: Solve for x
    x = 75,222,451,938.48/344,867.60
  6. Step 6: Final answer
    x = 218,119.80

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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.