Home / 212,484.12-318,651.88-62,684.64

Finding the Fourth Proportional to 212,484.12, 318,651.88 and 62,684.64

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Solution

The fourth proportional to 212,484.12, 318,651.88 and 62,684.64 is: 94,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,484.12 : 318,651.88 = 62,684.64 : x
  2. Step 2: Convert to fraction form
    212,484.12/318,651.88 = 62,684.64/x
  3. Step 3: Cross multiply
    212,484.12x = 318,651.88 × 62,684.64
  4. Step 4: Simplify right side
    212,484.12x = 19,974,578,383.12
  5. Step 5: Solve for x
    x = 19,974,578,383.12/212,484.12
  6. Step 6: Final answer
    x = 94,005.04

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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.