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Finding the Fourth Proportional to 363,008.40, 544,512.60 and 349,230.30

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Solution

The fourth proportional to 363,008.40, 544,512.60 and 349,230.30 is: 523,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,008.40 : 544,512.60 = 349,230.30 : x
  2. Step 2: Convert to fraction form
    363,008.40/544,512.60 = 349,230.30/x
  3. Step 3: Cross multiply
    363,008.40x = 544,512.60 × 349,230.30
  4. Step 4: Simplify right side
    363,008.40x = 190,160,298,651.78
  5. Step 5: Solve for x
    x = 190,160,298,651.78/363,008.40
  6. Step 6: Final answer
    x = 523,845.45

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1.5x scale

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.