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Finding the Fourth Proportional to 249,147.83, 373,770.93 and 91,377.65

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Solution

The fourth proportional to 249,147.83, 373,770.93 and 91,377.65 is: 137,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,147.83 : 373,770.93 = 91,377.65 : x
  2. Step 2: Convert to fraction form
    249,147.83/373,770.93 = 91,377.65/x
  3. Step 3: Cross multiply
    249,147.83x = 373,770.93 × 91,377.65
  4. Step 4: Simplify right side
    249,147.83x = 34,154,310,156.14
  5. Step 5: Solve for x
    x = 34,154,310,156.14/249,147.83
  6. Step 6: Final answer
    x = 137,084.52

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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.