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Finding the Fourth Proportional to 445,029.12, 614,191.68 and 254,070

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Solution

The fourth proportional to 445,029.12, 614,191.68 and 254,070 is: 350,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,029.12 : 614,191.68 = 254,070 : x
  2. Step 2: Convert to fraction form
    445,029.12/614,191.68 = 254,070/x
  3. Step 3: Cross multiply
    445,029.12x = 614,191.68 × 254,070
  4. Step 4: Simplify right side
    445,029.12x = 156,047,680,137.60
  5. Step 5: Solve for x
    x = 156,047,680,137.60/445,029.12
  6. Step 6: Final answer
    x = 350,646.00

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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.