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Finding the Fourth Proportional to 363,685.86, 545,516.04 and 110,956.14

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Solution

The fourth proportional to 363,685.86, 545,516.04 and 110,956.14 is: 166,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,685.86 : 545,516.04 = 110,956.14 : x
  2. Step 2: Convert to fraction form
    363,685.86/545,516.04 = 110,956.14/x
  3. Step 3: Cross multiply
    363,685.86x = 545,516.04 × 110,956.14
  4. Step 4: Simplify right side
    363,685.86x = 60,528,354,106.49
  5. Step 5: Solve for x
    x = 60,528,354,106.49/363,685.86
  6. Step 6: Final answer
    x = 166,430.32

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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.