Home / 215,655.04-323,088.36-156,343.60

Finding the Fourth Proportional to 215,655.04, 323,088.36 and 156,343.60

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Solution

The fourth proportional to 215,655.04, 323,088.36 and 156,343.60 is: 234,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,655.04 : 323,088.36 = 156,343.60 : x
  2. Step 2: Convert to fraction form
    215,655.04/323,088.36 = 156,343.60/x
  3. Step 3: Cross multiply
    215,655.04x = 323,088.36 × 156,343.60
  4. Step 4: Simplify right side
    215,655.04x = 50,512,797,320.50
  5. Step 5: Solve for x
    x = 50,512,797,320.50/215,655.04
  6. Step 6: Final answer
    x = 234,229.62

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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.