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Finding the Fourth Proportional to 372,110.40, 558,165.60 and 340,617.60

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Solution

The fourth proportional to 372,110.40, 558,165.60 and 340,617.60 is: 510,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.40 : 558,165.60 = 340,617.60 : x
  2. Step 2: Convert to fraction form
    372,110.40/558,165.60 = 340,617.60/x
  3. Step 3: Cross multiply
    372,110.40x = 558,165.60 × 340,617.60
  4. Step 4: Simplify right side
    372,110.40x = 190,121,027,074.56
  5. Step 5: Solve for x
    x = 190,121,027,074.56/372,110.40
  6. Step 6: Final answer
    x = 510,926.40

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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.