Home / 485,025.89-669,356.37-270,166.05

Finding the Fourth Proportional to 485,025.89, 669,356.37 and 270,166.05

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Solution

The fourth proportional to 485,025.89, 669,356.37 and 270,166.05 is: 372,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,025.89 : 669,356.37 = 270,166.05 : x
  2. Step 2: Convert to fraction form
    485,025.89/669,356.37 = 270,166.05/x
  3. Step 3: Cross multiply
    485,025.89x = 669,356.37 × 270,166.05
  4. Step 4: Simplify right side
    485,025.89x = 180,837,366,525.24
  5. Step 5: Solve for x
    x = 180,837,366,525.24/485,025.89
  6. Step 6: Final answer
    x = 372,840.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.