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Finding the Fourth Proportional to 360,500.80, 497,501.76 and 197,167

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Solution

The fourth proportional to 360,500.80, 497,501.76 and 197,167 is: 272,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,500.80 : 497,501.76 = 197,167 : x
  2. Step 2: Convert to fraction form
    360,500.80/497,501.76 = 197,167/x
  3. Step 3: Cross multiply
    360,500.80x = 497,501.76 × 197,167
  4. Step 4: Simplify right side
    360,500.80x = 98,090,929,513.92
  5. Step 5: Solve for x
    x = 98,090,929,513.92/360,500.80
  6. Step 6: Final answer
    x = 272,096.29

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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.