Home / 212,211.72-318,337.56-62,452.08

Finding the Fourth Proportional to 212,211.72, 318,337.56 and 62,452.08

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Solution

The fourth proportional to 212,211.72, 318,337.56 and 62,452.08 is: 93,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,211.72 : 318,337.56 = 62,452.08 : x
  2. Step 2: Convert to fraction form
    212,211.72/318,337.56 = 62,452.08/x
  3. Step 3: Cross multiply
    212,211.72x = 318,337.56 × 62,452.08
  4. Step 4: Simplify right side
    212,211.72x = 19,880,842,764.12
  5. Step 5: Solve for x
    x = 19,880,842,764.12/212,211.72
  6. Step 6: Final answer
    x = 93,684.00

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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.