Home / 212,389.34-318,583.61-62,734.71

Finding the Fourth Proportional to 212,389.34, 318,583.61 and 62,734.71

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Solution

The fourth proportional to 212,389.34, 318,583.61 and 62,734.71 is: 94,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,389.34 : 318,583.61 = 62,734.71 : x
  2. Step 2: Convert to fraction form
    212,389.34/318,583.61 = 62,734.71/x
  3. Step 3: Cross multiply
    212,389.34x = 318,583.61 × 62,734.71
  4. Step 4: Simplify right side
    212,389.34x = 19,986,251,323.93
  5. Step 5: Solve for x
    x = 19,986,251,323.93/212,389.34
  6. Step 6: Final answer
    x = 94,101.95

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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.