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Finding the Fourth Proportional to 360,622.56, 495,053.14 and 309,546.62

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Solution

The fourth proportional to 360,622.56, 495,053.14 and 309,546.62 is: 424,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,622.56 : 495,053.14 = 309,546.62 : x
  2. Step 2: Convert to fraction form
    360,622.56/495,053.14 = 309,546.62/x
  3. Step 3: Cross multiply
    360,622.56x = 495,053.14 × 309,546.62
  4. Step 4: Simplify right side
    360,622.56x = 153,242,026,207.39
  5. Step 5: Solve for x
    x = 153,242,026,207.39/360,622.56
  6. Step 6: Final answer
    x = 424,937.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.