Home / 215,340.70-323,011.07-57,565.05

Finding the Fourth Proportional to 215,340.70, 323,011.07 and 57,565.05

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Solution

The fourth proportional to 215,340.70, 323,011.07 and 57,565.05 is: 86,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,340.70 : 323,011.07 = 57,565.05 : x
  2. Step 2: Convert to fraction form
    215,340.70/323,011.07 = 57,565.05/x
  3. Step 3: Cross multiply
    215,340.70x = 323,011.07 × 57,565.05
  4. Step 4: Simplify right side
    215,340.70x = 18,594,149,675.36
  5. Step 5: Solve for x
    x = 18,594,149,675.36/215,340.70
  6. Step 6: Final answer
    x = 86,347.59

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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.