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Finding the Fourth Proportional to 318,124.17, 476,147.75 and 233,862.03

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Solution

The fourth proportional to 318,124.17, 476,147.75 and 233,862.03 is: 350,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,124.17 : 476,147.75 = 233,862.03 : x
  2. Step 2: Convert to fraction form
    318,124.17/476,147.75 = 233,862.03/x
  3. Step 3: Cross multiply
    318,124.17x = 476,147.75 × 233,862.03
  4. Step 4: Simplify right side
    318,124.17x = 111,352,878,225.62
  5. Step 5: Solve for x
    x = 111,352,878,225.62/318,124.17
  6. Step 6: Final answer
    x = 350,029.61

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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.