Home / 257,513.13-386,252.78-88,994.25

Finding the Fourth Proportional to 257,513.13, 386,252.78 and 88,994.25

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Solution

The fourth proportional to 257,513.13, 386,252.78 and 88,994.25 is: 133,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,513.13 : 386,252.78 = 88,994.25 : x
  2. Step 2: Convert to fraction form
    257,513.13/386,252.78 = 88,994.25/x
  3. Step 3: Cross multiply
    257,513.13x = 386,252.78 × 88,994.25
  4. Step 4: Simplify right side
    257,513.13x = 34,374,276,021.54
  5. Step 5: Solve for x
    x = 34,374,276,021.54/257,513.13
  6. Step 6: Final answer
    x = 133,485.53

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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.