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Finding the Fourth Proportional to 349,329.60, 523,216.80 and 270,014.40

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Solution

The fourth proportional to 349,329.60, 523,216.80 and 270,014.40 is: 404,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,329.60 : 523,216.80 = 270,014.40 : x
  2. Step 2: Convert to fraction form
    349,329.60/523,216.80 = 270,014.40/x
  3. Step 3: Cross multiply
    349,329.60x = 523,216.80 × 270,014.40
  4. Step 4: Simplify right side
    349,329.60x = 141,276,070,321.92
  5. Step 5: Solve for x
    x = 141,276,070,321.92/349,329.60
  6. Step 6: Final answer
    x = 404,420.55

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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.