Home / 268,390.90-370,375.29-147,529.60

Finding the Fourth Proportional to 268,390.90, 370,375.29 and 147,529.60

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Solution

The fourth proportional to 268,390.90, 370,375.29 and 147,529.60 is: 203,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,390.90 : 370,375.29 = 147,529.60 : x
  2. Step 2: Convert to fraction form
    268,390.90/370,375.29 = 147,529.60/x
  3. Step 3: Cross multiply
    268,390.90x = 370,375.29 × 147,529.60
  4. Step 4: Simplify right side
    268,390.90x = 54,641,318,383.58
  5. Step 5: Solve for x
    x = 54,641,318,383.58/268,390.90
  6. Step 6: Final answer
    x = 203,588.57

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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.