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Finding the Fourth Proportional to 537,217.35, 806,253.71 and 300,515.91

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Solution

The fourth proportional to 537,217.35, 806,253.71 and 300,515.91 is: 451,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,217.35 : 806,253.71 = 300,515.91 : x
  2. Step 2: Convert to fraction form
    537,217.35/806,253.71 = 300,515.91/x
  3. Step 3: Cross multiply
    537,217.35x = 806,253.71 × 300,515.91
  4. Step 4: Simplify right side
    537,217.35x = 242,292,065,848.95
  5. Step 5: Solve for x
    x = 242,292,065,848.95/537,217.35
  6. Step 6: Final answer
    x = 451,013.11

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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.