Home / 515,025.60-772,611.30-160,002.60

Finding the Fourth Proportional to 515,025.60, 772,611.30 and 160,002.60

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Solution

The fourth proportional to 515,025.60, 772,611.30 and 160,002.60 is: 240,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,025.60 : 772,611.30 = 160,002.60 : x
  2. Step 2: Convert to fraction form
    515,025.60/772,611.30 = 160,002.60/x
  3. Step 3: Cross multiply
    515,025.60x = 772,611.30 × 160,002.60
  4. Step 4: Simplify right side
    515,025.60x = 123,619,816,789.38
  5. Step 5: Solve for x
    x = 123,619,816,789.38/515,025.60
  6. Step 6: Final answer
    x = 240,026.55

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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.