Home / 215,579.09-323,506.98-144,581.87

Finding the Fourth Proportional to 215,579.09, 323,506.98 and 144,581.87

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Solution

The fourth proportional to 215,579.09, 323,506.98 and 144,581.87 is: 216,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,579.09 : 323,506.98 = 144,581.87 : x
  2. Step 2: Convert to fraction form
    215,579.09/323,506.98 = 144,581.87/x
  3. Step 3: Cross multiply
    215,579.09x = 323,506.98 × 144,581.87
  4. Step 4: Simplify right side
    215,579.09x = 46,773,242,508.92
  5. Step 5: Solve for x
    x = 46,773,242,508.92/215,579.09
  6. Step 6: Final answer
    x = 216,965.59

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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.