Home / 356,958.09-535,438.98-120,302.82

Finding the Fourth Proportional to 356,958.09, 535,438.98 and 120,302.82

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Solution

The fourth proportional to 356,958.09, 535,438.98 and 120,302.82 is: 180,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,958.09 : 535,438.98 = 120,302.82 : x
  2. Step 2: Convert to fraction form
    356,958.09/535,438.98 = 120,302.82/x
  3. Step 3: Cross multiply
    356,958.09x = 535,438.98 × 120,302.82
  4. Step 4: Simplify right side
    356,958.09x = 64,414,817,742.95
  5. Step 5: Solve for x
    x = 64,414,817,742.95/356,958.09
  6. Step 6: Final answer
    x = 180,454.85

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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.