Home / 215,518.32-323,277.60-57,742.80

Finding the Fourth Proportional to 215,518.32, 323,277.60 and 57,742.80

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Solution

The fourth proportional to 215,518.32, 323,277.60 and 57,742.80 is: 86,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,518.32 : 323,277.60 = 57,742.80 : x
  2. Step 2: Convert to fraction form
    215,518.32/323,277.60 = 57,742.80/x
  3. Step 3: Cross multiply
    215,518.32x = 323,277.60 × 57,742.80
  4. Step 4: Simplify right side
    215,518.32x = 18,666,953,801.28
  5. Step 5: Solve for x
    x = 18,666,953,801.28/215,518.32
  6. Step 6: Final answer
    x = 86,614.23

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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.