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Finding the Fourth Proportional to 349,327.60, 523,213.80 and 270,012.40

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Solution

The fourth proportional to 349,327.60, 523,213.80 and 270,012.40 is: 404,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,327.60 : 523,213.80 = 270,012.40 : x
  2. Step 2: Convert to fraction form
    349,327.60/523,213.80 = 270,012.40/x
  3. Step 3: Cross multiply
    349,327.60x = 523,213.80 × 270,012.40
  4. Step 4: Simplify right side
    349,327.60x = 141,274,213,851.12
  5. Step 5: Solve for x
    x = 141,274,213,851.12/349,327.60
  6. Step 6: Final answer
    x = 404,417.55

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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.