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Finding the Fourth Proportional to 265,681.77, 396,829.41 and 240,342.30

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Solution

The fourth proportional to 265,681.77, 396,829.41 and 240,342.30 is: 358,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,681.77 : 396,829.41 = 240,342.30 : x
  2. Step 2: Convert to fraction form
    265,681.77/396,829.41 = 240,342.30/x
  3. Step 3: Cross multiply
    265,681.77x = 396,829.41 × 240,342.30
  4. Step 4: Simplify right side
    265,681.77x = 95,374,891,905.33
  5. Step 5: Solve for x
    x = 95,374,891,905.33/265,681.77
  6. Step 6: Final answer
    x = 358,981.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.