Home / 212,327.13-318,490.72-54,555.58

Finding the Fourth Proportional to 212,327.13, 318,490.72 and 54,555.58

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Solution

The fourth proportional to 212,327.13, 318,490.72 and 54,555.58 is: 81,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,327.13 : 318,490.72 = 54,555.58 : x
  2. Step 2: Convert to fraction form
    212,327.13/318,490.72 = 54,555.58/x
  3. Step 3: Cross multiply
    212,327.13x = 318,490.72 × 54,555.58
  4. Step 4: Simplify right side
    212,327.13x = 17,375,445,954.22
  5. Step 5: Solve for x
    x = 17,375,445,954.22/212,327.13
  6. Step 6: Final answer
    x = 81,833.38

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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.