Home / 306,654.22-423,182.85-170,685.24

Finding the Fourth Proportional to 306,654.22, 423,182.85 and 170,685.24

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Solution

The fourth proportional to 306,654.22, 423,182.85 and 170,685.24 is: 235,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,654.22 : 423,182.85 = 170,685.24 : x
  2. Step 2: Convert to fraction form
    306,654.22/423,182.85 = 170,685.24/x
  3. Step 3: Cross multiply
    306,654.22x = 423,182.85 × 170,685.24
  4. Step 4: Simplify right side
    306,654.22x = 72,231,066,316.13
  5. Step 5: Solve for x
    x = 72,231,066,316.13/306,654.22
  6. Step 6: Final answer
    x = 235,545.65

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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.