Home / 212,230.77-318,346.35-52,306.71

Finding the Fourth Proportional to 212,230.77, 318,346.35 and 52,306.71

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Solution

The fourth proportional to 212,230.77, 318,346.35 and 52,306.71 is: 78,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,230.77 : 318,346.35 = 52,306.71 : x
  2. Step 2: Convert to fraction form
    212,230.77/318,346.35 = 52,306.71/x
  3. Step 3: Cross multiply
    212,230.77x = 318,346.35 × 52,306.71
  4. Step 4: Simplify right side
    212,230.77x = 16,651,650,209.01
  5. Step 5: Solve for x
    x = 16,651,650,209.01/212,230.77
  6. Step 6: Final answer
    x = 78,460.11

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1.5x scale

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.