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Finding the Fourth Proportional to 445,918.28, 615,326.62 and 264,599

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Solution

The fourth proportional to 445,918.28, 615,326.62 and 264,599 is: 365,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,918.28 : 615,326.62 = 264,599 : x
  2. Step 2: Convert to fraction form
    445,918.28/615,326.62 = 264,599/x
  3. Step 3: Cross multiply
    445,918.28x = 615,326.62 × 264,599
  4. Step 4: Simplify right side
    445,918.28x = 162,814,808,325.38
  5. Step 5: Solve for x
    x = 162,814,808,325.38/445,918.28
  6. Step 6: Final answer
    x = 365,122.52

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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.