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Finding the Fourth Proportional to 247,301.85, 370,941.15 and 103,148.13

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Solution

The fourth proportional to 247,301.85, 370,941.15 and 103,148.13 is: 154,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,301.85 : 370,941.15 = 103,148.13 : x
  2. Step 2: Convert to fraction form
    247,301.85/370,941.15 = 103,148.13/x
  3. Step 3: Cross multiply
    247,301.85x = 370,941.15 × 103,148.13
  4. Step 4: Simplify right side
    247,301.85x = 38,261,885,962.55
  5. Step 5: Solve for x
    x = 38,261,885,962.55/247,301.85
  6. Step 6: Final answer
    x = 154,717.35

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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.