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Finding the Fourth Proportional to 266,391.60, 367,627.62 and 159,023.95

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Solution

The fourth proportional to 266,391.60, 367,627.62 and 159,023.95 is: 219,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,391.60 : 367,627.62 = 159,023.95 : x
  2. Step 2: Convert to fraction form
    266,391.60/367,627.62 = 159,023.95/x
  3. Step 3: Cross multiply
    266,391.60x = 367,627.62 × 159,023.95
  4. Step 4: Simplify right side
    266,391.60x = 58,461,594,423.36
  5. Step 5: Solve for x
    x = 58,461,594,423.36/266,391.60
  6. Step 6: Final answer
    x = 219,457.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.