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Finding the Fourth Proportional to 361,885.76, 542,833.26 and 95,643.98

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Solution

The fourth proportional to 361,885.76, 542,833.26 and 95,643.98 is: 143,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,885.76 : 542,833.26 = 95,643.98 : x
  2. Step 2: Convert to fraction form
    361,885.76/542,833.26 = 95,643.98/x
  3. Step 3: Cross multiply
    361,885.76x = 542,833.26 × 95,643.98
  4. Step 4: Simplify right side
    361,885.76x = 51,918,733,462.77
  5. Step 5: Solve for x
    x = 51,918,733,462.77/361,885.76
  6. Step 6: Final answer
    x = 143,467.19

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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.