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Finding the Fourth Proportional to 373,707.36, 560,227.72 and 136,994.79

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Solution

The fourth proportional to 373,707.36, 560,227.72 and 136,994.79 is: 205,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,707.36 : 560,227.72 = 136,994.79 : x
  2. Step 2: Convert to fraction form
    373,707.36/560,227.72 = 136,994.79/x
  3. Step 3: Cross multiply
    373,707.36x = 560,227.72 × 136,994.79
  4. Step 4: Simplify right side
    373,707.36x = 76,748,278,853.58
  5. Step 5: Solve for x
    x = 76,748,278,853.58/373,707.36
  6. Step 6: Final answer
    x = 205,370.00

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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.