Home / 485,175.96-669,541.14-270,318.60

Finding the Fourth Proportional to 485,175.96, 669,541.14 and 270,318.60

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Solution

The fourth proportional to 485,175.96, 669,541.14 and 270,318.60 is: 373,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,175.96 : 669,541.14 = 270,318.60 : x
  2. Step 2: Convert to fraction form
    485,175.96/669,541.14 = 270,318.60/x
  3. Step 3: Cross multiply
    485,175.96x = 669,541.14 × 270,318.60
  4. Step 4: Simplify right side
    485,175.96x = 180,989,423,607.20
  5. Step 5: Solve for x
    x = 180,989,423,607.20/485,175.96
  6. Step 6: Final answer
    x = 373,038.73

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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.