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Finding the Fourth Proportional to 403,350.20, 605,025.30 and 372,937.40

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Solution

The fourth proportional to 403,350.20, 605,025.30 and 372,937.40 is: 559,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,350.20 : 605,025.30 = 372,937.40 : x
  2. Step 2: Convert to fraction form
    403,350.20/605,025.30 = 372,937.40/x
  3. Step 3: Cross multiply
    403,350.20x = 605,025.30 × 372,937.40
  4. Step 4: Simplify right side
    403,350.20x = 225,636,562,316.22
  5. Step 5: Solve for x
    x = 225,636,562,316.22/403,350.20
  6. Step 6: Final answer
    x = 559,406.10

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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.