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Finding the Fourth Proportional to 358,604.27, 537,816.76 and 105,834.59

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Solution

The fourth proportional to 358,604.27, 537,816.76 and 105,834.59 is: 158,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,604.27 : 537,816.76 = 105,834.59 : x
  2. Step 2: Convert to fraction form
    358,604.27/537,816.76 = 105,834.59/x
  3. Step 3: Cross multiply
    358,604.27x = 537,816.76 × 105,834.59
  4. Step 4: Simplify right side
    358,604.27x = 56,919,613,071.47
  5. Step 5: Solve for x
    x = 56,919,613,071.47/358,604.27
  6. Step 6: Final answer
    x = 158,725.42

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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.