Home / 335,088.20-502,632.30-85,770.20

Finding the Fourth Proportional to 335,088.20, 502,632.30 and 85,770.20

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Solution

The fourth proportional to 335,088.20, 502,632.30 and 85,770.20 is: 128,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,088.20 : 502,632.30 = 85,770.20 : x
  2. Step 2: Convert to fraction form
    335,088.20/502,632.30 = 85,770.20/x
  3. Step 3: Cross multiply
    335,088.20x = 502,632.30 × 85,770.20
  4. Step 4: Simplify right side
    335,088.20x = 43,110,872,897.46
  5. Step 5: Solve for x
    x = 43,110,872,897.46/335,088.20
  6. Step 6: Final answer
    x = 128,655.30

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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.