Home / 387,581.58-534,742.36-226,320.30

Finding the Fourth Proportional to 387,581.58, 534,742.36 and 226,320.30

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Solution

The fourth proportional to 387,581.58, 534,742.36 and 226,320.30 is: 312,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,581.58 : 534,742.36 = 226,320.30 : x
  2. Step 2: Convert to fraction form
    387,581.58/534,742.36 = 226,320.30/x
  3. Step 3: Cross multiply
    387,581.58x = 534,742.36 × 226,320.30
  4. Step 4: Simplify right side
    387,581.58x = 121,023,050,039.88
  5. Step 5: Solve for x
    x = 121,023,050,039.88/387,581.58
  6. Step 6: Final answer
    x = 312,251.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.