Home / 340,242.50-469,534.92-197,010.20

Finding the Fourth Proportional to 340,242.50, 469,534.92 and 197,010.20

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Solution

The fourth proportional to 340,242.50, 469,534.92 and 197,010.20 is: 271,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,242.50 : 469,534.92 = 197,010.20 : x
  2. Step 2: Convert to fraction form
    340,242.50/469,534.92 = 197,010.20/x
  3. Step 3: Cross multiply
    340,242.50x = 469,534.92 × 197,010.20
  4. Step 4: Simplify right side
    340,242.50x = 92,503,168,496.18
  5. Step 5: Solve for x
    x = 92,503,168,496.18/340,242.50
  6. Step 6: Final answer
    x = 271,874.23

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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.