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Finding the Fourth Proportional to 508,898.70, 763,348.05 and 242,786.70

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Solution

The fourth proportional to 508,898.70, 763,348.05 and 242,786.70 is: 364,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,898.70 : 763,348.05 = 242,786.70 : x
  2. Step 2: Convert to fraction form
    508,898.70/763,348.05 = 242,786.70/x
  3. Step 3: Cross multiply
    508,898.70x = 763,348.05 × 242,786.70
  4. Step 4: Simplify right side
    508,898.70x = 185,330,754,010.94
  5. Step 5: Solve for x
    x = 185,330,754,010.94/508,898.70
  6. Step 6: Final answer
    x = 364,180.05

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Similar ratio
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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.