Home / 255,026.28-382,375.40-121,903.59

Finding the Fourth Proportional to 255,026.28, 382,375.40 and 121,903.59

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Solution

The fourth proportional to 255,026.28, 382,375.40 and 121,903.59 is: 182,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,026.28 : 382,375.40 = 121,903.59 : x
  2. Step 2: Convert to fraction form
    255,026.28/382,375.40 = 121,903.59/x
  3. Step 3: Cross multiply
    255,026.28x = 382,375.40 × 121,903.59
  4. Step 4: Simplify right side
    255,026.28x = 46,612,933,378.17
  5. Step 5: Solve for x
    x = 46,612,933,378.17/255,026.28
  6. Step 6: Final answer
    x = 182,776.98

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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.