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Finding the Fourth Proportional to 363,448.85, 545,173.13 and 97,202.45

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Solution

The fourth proportional to 363,448.85, 545,173.13 and 97,202.45 is: 145,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,448.85 : 545,173.13 = 97,202.45 : x
  2. Step 2: Convert to fraction form
    363,448.85/545,173.13 = 97,202.45/x
  3. Step 3: Cross multiply
    363,448.85x = 545,173.13 × 97,202.45
  4. Step 4: Simplify right side
    363,448.85x = 52,992,160,698.29
  5. Step 5: Solve for x
    x = 52,992,160,698.29/363,448.85
  6. Step 6: Final answer
    x = 145,803.63

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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.