Home / 280,765.04-420,537.42-174,175.11

Finding the Fourth Proportional to 280,765.04, 420,537.42 and 174,175.11

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Solution

The fourth proportional to 280,765.04, 420,537.42 and 174,175.11 is: 260,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,765.04 : 420,537.42 = 174,175.11 : x
  2. Step 2: Convert to fraction form
    280,765.04/420,537.42 = 174,175.11/x
  3. Step 3: Cross multiply
    280,765.04x = 420,537.42 × 174,175.11
  4. Step 4: Simplify right side
    280,765.04x = 73,247,151,387.62
  5. Step 5: Solve for x
    x = 73,247,151,387.62/280,765.04
  6. Step 6: Final answer
    x = 260,884.16

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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.