Home / 497,839.57-746,740.11-142,853.56

Finding the Fourth Proportional to 497,839.57, 746,740.11 and 142,853.56

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Solution

The fourth proportional to 497,839.57, 746,740.11 and 142,853.56 is: 214,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,839.57 : 746,740.11 = 142,853.56 : x
  2. Step 2: Convert to fraction form
    497,839.57/746,740.11 = 142,853.56/x
  3. Step 3: Cross multiply
    497,839.57x = 746,740.11 × 142,853.56
  4. Step 4: Simplify right side
    497,839.57x = 106,674,481,777.14
  5. Step 5: Solve for x
    x = 106,674,481,777.14/497,839.57
  6. Step 6: Final answer
    x = 214,274.82

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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.