Home / 215,842.63-323,579.30-82,818.35

Finding the Fourth Proportional to 215,842.63, 323,579.30 and 82,818.35

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Solution

The fourth proportional to 215,842.63, 323,579.30 and 82,818.35 is: 124,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,842.63 : 323,579.30 = 82,818.35 : x
  2. Step 2: Convert to fraction form
    215,842.63/323,579.30 = 82,818.35/x
  3. Step 3: Cross multiply
    215,842.63x = 323,579.30 × 82,818.35
  4. Step 4: Simplify right side
    215,842.63x = 26,798,303,306.06
  5. Step 5: Solve for x
    x = 26,798,303,306.06/215,842.63
  6. Step 6: Final answer
    x = 124,156.68

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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.