Home / 258,278.32-386,032.19-232,919.92

Finding the Fourth Proportional to 258,278.32, 386,032.19 and 232,919.92

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Solution

The fourth proportional to 258,278.32, 386,032.19 and 232,919.92 is: 348,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,278.32 : 386,032.19 = 232,919.92 : x
  2. Step 2: Convert to fraction form
    258,278.32/386,032.19 = 232,919.92/x
  3. Step 3: Cross multiply
    258,278.32x = 386,032.19 × 232,919.92
  4. Step 4: Simplify right side
    258,278.32x = 89,914,586,812.22
  5. Step 5: Solve for x
    x = 89,914,586,812.22/258,278.32
  6. Step 6: Final answer
    x = 348,130.60

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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.