Home / 286,531.56-429,695.28-109,086.48

Finding the Fourth Proportional to 286,531.56, 429,695.28 and 109,086.48

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Solution

The fourth proportional to 286,531.56, 429,695.28 and 109,086.48 is: 163,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,531.56 : 429,695.28 = 109,086.48 : x
  2. Step 2: Convert to fraction form
    286,531.56/429,695.28 = 109,086.48/x
  3. Step 3: Cross multiply
    286,531.56x = 429,695.28 × 109,086.48
  4. Step 4: Simplify right side
    286,531.56x = 46,873,945,567.81
  5. Step 5: Solve for x
    x = 46,873,945,567.81/286,531.56
  6. Step 6: Final answer
    x = 163,590.86

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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.