Home / 268,194.12-370,114.08-147,342.90

Finding the Fourth Proportional to 268,194.12, 370,114.08 and 147,342.90

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Solution

The fourth proportional to 268,194.12, 370,114.08 and 147,342.90 is: 203,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,194.12 : 370,114.08 = 147,342.90 : x
  2. Step 2: Convert to fraction form
    268,194.12/370,114.08 = 147,342.90/x
  3. Step 3: Cross multiply
    268,194.12x = 370,114.08 × 147,342.90
  4. Step 4: Simplify right side
    268,194.12x = 54,533,681,878.03
  5. Step 5: Solve for x
    x = 54,533,681,878.03/268,194.12
  6. Step 6: Final answer
    x = 203,336.61

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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.