Home / 290,118.33-434,973.38-112,475.61

Finding the Fourth Proportional to 290,118.33, 434,973.38 and 112,475.61

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Solution

The fourth proportional to 290,118.33, 434,973.38 and 112,475.61 is: 168,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,118.33 : 434,973.38 = 112,475.61 : x
  2. Step 2: Convert to fraction form
    290,118.33/434,973.38 = 112,475.61/x
  3. Step 3: Cross multiply
    290,118.33x = 434,973.38 × 112,475.61
  4. Step 4: Simplify right side
    290,118.33x = 48,923,895,686.88
  5. Step 5: Solve for x
    x = 48,923,895,686.88/290,118.33
  6. Step 6: Final answer
    x = 168,634.28

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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.