Home / 485,132.36-669,465.78-270,261.32

Finding the Fourth Proportional to 485,132.36, 669,465.78 and 270,261.32

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Solution

The fourth proportional to 485,132.36, 669,465.78 and 270,261.32 is: 372,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,132.36 : 669,465.78 = 270,261.32 : x
  2. Step 2: Convert to fraction form
    485,132.36/669,465.78 = 270,261.32/x
  3. Step 3: Cross multiply
    485,132.36x = 669,465.78 × 270,261.32
  4. Step 4: Simplify right side
    485,132.36x = 180,930,705,397.63
  5. Step 5: Solve for x
    x = 180,930,705,397.63/485,132.36
  6. Step 6: Final answer
    x = 372,951.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.