Home / 254,046.63-381,070.09-64,521.21

Finding the Fourth Proportional to 254,046.63, 381,070.09 and 64,521.21

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Solution

The fourth proportional to 254,046.63, 381,070.09 and 64,521.21 is: 96,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,046.63 : 381,070.09 = 64,521.21 : x
  2. Step 2: Convert to fraction form
    254,046.63/381,070.09 = 64,521.21/x
  3. Step 3: Cross multiply
    254,046.63x = 381,070.09 × 64,521.21
  4. Step 4: Simplify right side
    254,046.63x = 24,587,102,849.22
  5. Step 5: Solve for x
    x = 24,587,102,849.22/254,046.63
  6. Step 6: Final answer
    x = 96,781.85

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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.