Home / 287,747.03-397,167.48-169,977.14

Finding the Fourth Proportional to 287,747.03, 397,167.48 and 169,977.14

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Solution

The fourth proportional to 287,747.03, 397,167.48 and 169,977.14 is: 234,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,747.03 : 397,167.48 = 169,977.14 : x
  2. Step 2: Convert to fraction form
    287,747.03/397,167.48 = 169,977.14/x
  3. Step 3: Cross multiply
    287,747.03x = 397,167.48 × 169,977.14
  4. Step 4: Simplify right side
    287,747.03x = 67,509,392,433.58
  5. Step 5: Solve for x
    x = 67,509,392,433.58/287,747.03
  6. Step 6: Final answer
    x = 234,613.69

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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.