Home / 403,336.20-605,004.30-262,331.40

Finding the Fourth Proportional to 403,336.20, 605,004.30 and 262,331.40

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Solution

The fourth proportional to 403,336.20, 605,004.30 and 262,331.40 is: 393,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,336.20 : 605,004.30 = 262,331.40 : x
  2. Step 2: Convert to fraction form
    403,336.20/605,004.30 = 262,331.40/x
  3. Step 3: Cross multiply
    403,336.20x = 605,004.30 × 262,331.40
  4. Step 4: Simplify right side
    403,336.20x = 158,711,625,025.02
  5. Step 5: Solve for x
    x = 158,711,625,025.02/403,336.20
  6. Step 6: Final answer
    x = 393,497.10

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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.