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Finding the Fourth Proportional to 545,722.60, 818,695.02 and 230,180.68

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Solution

The fourth proportional to 545,722.60, 818,695.02 and 230,180.68 is: 345,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,722.60 : 818,695.02 = 230,180.68 : x
  2. Step 2: Convert to fraction form
    545,722.60/818,695.02 = 230,180.68/x
  3. Step 3: Cross multiply
    545,722.60x = 818,695.02 × 230,180.68
  4. Step 4: Simplify right side
    545,722.60x = 188,447,776,416.21
  5. Step 5: Solve for x
    x = 188,447,776,416.21/545,722.60
  6. Step 6: Final answer
    x = 345,317.89

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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.