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Finding the Fourth Proportional to 341,401.80, 512,102.70 and 104,744.10

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Solution

The fourth proportional to 341,401.80, 512,102.70 and 104,744.10 is: 157,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,401.80 : 512,102.70 = 104,744.10 : x
  2. Step 2: Convert to fraction form
    341,401.80/512,102.70 = 104,744.10/x
  3. Step 3: Cross multiply
    341,401.80x = 512,102.70 × 104,744.10
  4. Step 4: Simplify right side
    341,401.80x = 53,639,736,419.07
  5. Step 5: Solve for x
    x = 53,639,736,419.07/341,401.80
  6. Step 6: Final answer
    x = 157,116.15

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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.