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Finding the Fourth Proportional to 449,547.32, 674,419.56 and 169,064.60

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Solution

The fourth proportional to 449,547.32, 674,419.56 and 169,064.60 is: 253,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,547.32 : 674,419.56 = 169,064.60 : x
  2. Step 2: Convert to fraction form
    449,547.32/674,419.56 = 169,064.60/x
  3. Step 3: Cross multiply
    449,547.32x = 674,419.56 × 169,064.60
  4. Step 4: Simplify right side
    449,547.32x = 114,020,473,143.58
  5. Step 5: Solve for x
    x = 114,020,473,143.58/449,547.32
  6. Step 6: Final answer
    x = 253,633.97

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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.