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Finding the Fourth Proportional to 667,652.16, 1,001,482.56 and 169,016.16

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Solution

The fourth proportional to 667,652.16, 1,001,482.56 and 169,016.16 is: 253,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,652.16 : 1,001,482.56 = 169,016.16 : x
  2. Step 2: Convert to fraction form
    667,652.16/1,001,482.56 = 169,016.16/x
  3. Step 3: Cross multiply
    667,652.16x = 1,001,482.56 × 169,016.16
  4. Step 4: Simplify right side
    667,652.16x = 169,266,736,598.17
  5. Step 5: Solve for x
    x = 169,266,736,598.17/667,652.16
  6. Step 6: Final answer
    x = 253,525.33

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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.