Home / 218,788.20-328,182.26-52,576.20

Finding the Fourth Proportional to 218,788.20, 328,182.26 and 52,576.20

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Solution

The fourth proportional to 218,788.20, 328,182.26 and 52,576.20 is: 78,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,788.20 : 328,182.26 = 52,576.20 : x
  2. Step 2: Convert to fraction form
    218,788.20/328,182.26 = 52,576.20/x
  3. Step 3: Cross multiply
    218,788.20x = 328,182.26 × 52,576.20
  4. Step 4: Simplify right side
    218,788.20x = 17,254,575,875.33
  5. Step 5: Solve for x
    x = 17,254,575,875.33/218,788.20
  6. Step 6: Final answer
    x = 78,864.29

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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.