Home / 254,430.72-381,789.45-234,354.06

Finding the Fourth Proportional to 254,430.72, 381,789.45 and 234,354.06

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Solution

The fourth proportional to 254,430.72, 381,789.45 and 234,354.06 is: 351,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,430.72 : 381,789.45 = 234,354.06 : x
  2. Step 2: Convert to fraction form
    254,430.72/381,789.45 = 234,354.06/x
  3. Step 3: Cross multiply
    254,430.72x = 381,789.45 × 234,354.06
  4. Step 4: Simplify right side
    254,430.72x = 89,473,907,672.67
  5. Step 5: Solve for x
    x = 89,473,907,672.67/254,430.72
  6. Step 6: Final answer
    x = 351,663.15

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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.