Home / 485,094.83-669,431.25-270,235.44

Finding the Fourth Proportional to 485,094.83, 669,431.25 and 270,235.44

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Solution

The fourth proportional to 485,094.83, 669,431.25 and 270,235.44 is: 372,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,094.83 : 669,431.25 = 270,235.44 : x
  2. Step 2: Convert to fraction form
    485,094.83/669,431.25 = 270,235.44/x
  3. Step 3: Cross multiply
    485,094.83x = 669,431.25 × 270,235.44
  4. Step 4: Simplify right side
    485,094.83x = 180,904,048,393.50
  5. Step 5: Solve for x
    x = 180,904,048,393.50/485,094.83
  6. Step 6: Final answer
    x = 372,925.13

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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.