Home / 215,448.60-323,189.10-57,673.56

Finding the Fourth Proportional to 215,448.60, 323,189.10 and 57,673.56

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Solution

The fourth proportional to 215,448.60, 323,189.10 and 57,673.56 is: 86,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,448.60 : 323,189.10 = 57,673.56 : x
  2. Step 2: Convert to fraction form
    215,448.60/323,189.10 = 57,673.56/x
  3. Step 3: Cross multiply
    215,448.60x = 323,189.10 × 57,673.56
  4. Step 4: Simplify right side
    215,448.60x = 18,639,465,950.20
  5. Step 5: Solve for x
    x = 18,639,465,950.20/215,448.60
  6. Step 6: Final answer
    x = 86,514.68

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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.