Home / 287,967.20-397,473.77-167,147.41

Finding the Fourth Proportional to 287,967.20, 397,473.77 and 167,147.41

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Solution

The fourth proportional to 287,967.20, 397,473.77 and 167,147.41 is: 230,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,967.20 : 397,473.77 = 167,147.41 : x
  2. Step 2: Convert to fraction form
    287,967.20/397,473.77 = 167,147.41/x
  3. Step 3: Cross multiply
    287,967.20x = 397,473.77 × 167,147.41
  4. Step 4: Simplify right side
    287,967.20x = 66,436,711,616.30
  5. Step 5: Solve for x
    x = 66,436,711,616.30/287,967.20
  6. Step 6: Final answer
    x = 230,709.30

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1.5x scale

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.