Home / 290,026.20-434,693.70-121,546.20

Finding the Fourth Proportional to 290,026.20, 434,693.70 and 121,546.20

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Solution

The fourth proportional to 290,026.20, 434,693.70 and 121,546.20 is: 182,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,026.20 : 434,693.70 = 121,546.20 : x
  2. Step 2: Convert to fraction form
    290,026.20/434,693.70 = 121,546.20/x
  3. Step 3: Cross multiply
    290,026.20x = 434,693.70 × 121,546.20
  4. Step 4: Simplify right side
    290,026.20x = 52,835,367,398.94
  5. Step 5: Solve for x
    x = 52,835,367,398.94/290,026.20
  6. Step 6: Final answer
    x = 182,174.46

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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.