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Finding the Fourth Proportional to 239,778, 359,673.60 and 73,566

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Solution

The fourth proportional to 239,778, 359,673.60 and 73,566 is: 110,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,778 : 359,673.60 = 73,566 : x
  2. Step 2: Convert to fraction form
    239,778/359,673.60 = 73,566/x
  3. Step 3: Cross multiply
    239,778x = 359,673.60 × 73,566
  4. Step 4: Simplify right side
    239,778x = 26,459,748,057.60
  5. Step 5: Solve for x
    x = 26,459,748,057.60/239,778
  6. Step 6: Final answer
    x = 110,351.02

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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.