Home / 290,276.22-435,580.14-112,760.12

Finding the Fourth Proportional to 290,276.22, 435,580.14 and 112,760.12

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Solution

The fourth proportional to 290,276.22, 435,580.14 and 112,760.12 is: 169,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,276.22 : 435,580.14 = 112,760.12 : x
  2. Step 2: Convert to fraction form
    290,276.22/435,580.14 = 112,760.12/x
  3. Step 3: Cross multiply
    290,276.22x = 435,580.14 × 112,760.12
  4. Step 4: Simplify right side
    290,276.22x = 49,116,068,856.02
  5. Step 5: Solve for x
    x = 49,116,068,856.02/290,276.22
  6. Step 6: Final answer
    x = 169,204.59

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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.