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Finding the Fourth Proportional to 248,677.93, 373,058.20 and 98,919.66

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Solution

The fourth proportional to 248,677.93, 373,058.20 and 98,919.66 is: 148,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,677.93 : 373,058.20 = 98,919.66 : x
  2. Step 2: Convert to fraction form
    248,677.93/373,058.20 = 98,919.66/x
  3. Step 3: Cross multiply
    248,677.93x = 373,058.20 × 98,919.66
  4. Step 4: Simplify right side
    248,677.93x = 36,902,790,304.21
  5. Step 5: Solve for x
    x = 36,902,790,304.21/248,677.93
  6. Step 6: Final answer
    x = 148,395.92

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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.