Home / 212,319.60-318,428.16-62,519.16

Finding the Fourth Proportional to 212,319.60, 318,428.16 and 62,519.16

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Solution

The fourth proportional to 212,319.60, 318,428.16 and 62,519.16 is: 93,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,319.60 : 318,428.16 = 62,519.16 : x
  2. Step 2: Convert to fraction form
    212,319.60/318,428.16 = 62,519.16/x
  3. Step 3: Cross multiply
    212,319.60x = 318,428.16 × 62,519.16
  4. Step 4: Simplify right side
    212,319.60x = 19,907,861,083.55
  5. Step 5: Solve for x
    x = 19,907,861,083.55/212,319.60
  6. Step 6: Final answer
    x = 93,763.65

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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.