Home / 515,091.20-772,694.40-160,102.40

Finding the Fourth Proportional to 515,091.20, 772,694.40 and 160,102.40

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Solution

The fourth proportional to 515,091.20, 772,694.40 and 160,102.40 is: 240,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,091.20 : 772,694.40 = 160,102.40 : x
  2. Step 2: Convert to fraction form
    515,091.20/772,694.40 = 160,102.40/x
  3. Step 3: Cross multiply
    515,091.20x = 772,694.40 × 160,102.40
  4. Step 4: Simplify right side
    515,091.20x = 123,710,227,906.56
  5. Step 5: Solve for x
    x = 123,710,227,906.56/515,091.20
  6. Step 6: Final answer
    x = 240,171.50

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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.