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Finding the Fourth Proportional to 207,242.30, 310,345.04 and 165,770.30

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Solution

The fourth proportional to 207,242.30, 310,345.04 and 165,770.30 is: 248,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,242.30 : 310,345.04 = 165,770.30 : x
  2. Step 2: Convert to fraction form
    207,242.30/310,345.04 = 165,770.30/x
  3. Step 3: Cross multiply
    207,242.30x = 310,345.04 × 165,770.30
  4. Step 4: Simplify right side
    207,242.30x = 51,445,990,384.31
  5. Step 5: Solve for x
    x = 51,445,990,384.31/207,242.30
  6. Step 6: Final answer
    x = 248,240.78

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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.