Home / 215,965.09-323,925.72-58,209.49

Finding the Fourth Proportional to 215,965.09, 323,925.72 and 58,209.49

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Solution

The fourth proportional to 215,965.09, 323,925.72 and 58,209.49 is: 87,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,965.09 : 323,925.72 = 58,209.49 : x
  2. Step 2: Convert to fraction form
    215,965.09/323,925.72 = 58,209.49/x
  3. Step 3: Cross multiply
    215,965.09x = 323,925.72 × 58,209.49
  4. Step 4: Simplify right side
    215,965.09x = 18,855,550,959.08
  5. Step 5: Solve for x
    x = 18,855,550,959.08/215,965.09
  6. Step 6: Final answer
    x = 87,308.33

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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.