Home / 212,502.08-318,742.90-52,577.37

Finding the Fourth Proportional to 212,502.08, 318,742.90 and 52,577.37

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Solution

The fourth proportional to 212,502.08, 318,742.90 and 52,577.37 is: 78,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,502.08 : 318,742.90 = 52,577.37 : x
  2. Step 2: Convert to fraction form
    212,502.08/318,742.90 = 52,577.37/x
  3. Step 3: Cross multiply
    212,502.08x = 318,742.90 × 52,577.37
  4. Step 4: Simplify right side
    212,502.08x = 16,758,663,256.73
  5. Step 5: Solve for x
    x = 16,758,663,256.73/212,502.08
  6. Step 6: Final answer
    x = 78,863.52

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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.