Home / 212,249.07-318,373.61-62,489.39

Finding the Fourth Proportional to 212,249.07, 318,373.61 and 62,489.39

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Solution

The fourth proportional to 212,249.07, 318,373.61 and 62,489.39 is: 93,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,249.07 : 318,373.61 = 62,489.39 : x
  2. Step 2: Convert to fraction form
    212,249.07/318,373.61 = 62,489.39/x
  3. Step 3: Cross multiply
    212,249.07x = 318,373.61 × 62,489.39
  4. Step 4: Simplify right side
    212,249.07x = 19,894,971,356.21
  5. Step 5: Solve for x
    x = 19,894,971,356.21/212,249.07
  6. Step 6: Final answer
    x = 93,734.08

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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.