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Finding the Fourth Proportional to 254,564.80, 379,986.17 and 236,062.24

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Solution

The fourth proportional to 254,564.80, 379,986.17 and 236,062.24 is: 352,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,564.80 : 379,986.17 = 236,062.24 : x
  2. Step 2: Convert to fraction form
    254,564.80/379,986.17 = 236,062.24/x
  3. Step 3: Cross multiply
    254,564.80x = 379,986.17 × 236,062.24
  4. Step 4: Simplify right side
    254,564.80x = 89,700,386,459.22
  5. Step 5: Solve for x
    x = 89,700,386,459.22/254,564.80
  6. Step 6: Final answer
    x = 352,367.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.