Home / 215,579.64-323,507.82-144,582.48

Finding the Fourth Proportional to 215,579.64, 323,507.82 and 144,582.48

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Solution

The fourth proportional to 215,579.64, 323,507.82 and 144,582.48 is: 216,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,579.64 : 323,507.82 = 144,582.48 : x
  2. Step 2: Convert to fraction form
    215,579.64/323,507.82 = 144,582.48/x
  3. Step 3: Cross multiply
    215,579.64x = 323,507.82 × 144,582.48
  4. Step 4: Simplify right side
    215,579.64x = 46,773,562,914.99
  5. Step 5: Solve for x
    x = 46,773,562,914.99/215,579.64
  6. Step 6: Final answer
    x = 216,966.51

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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.