Home / 287,674.04-397,003.62-160,350.56

Finding the Fourth Proportional to 287,674.04, 397,003.62 and 160,350.56

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Solution

The fourth proportional to 287,674.04, 397,003.62 and 160,350.56 is: 221,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,674.04 : 397,003.62 = 160,350.56 : x
  2. Step 2: Convert to fraction form
    287,674.04/397,003.62 = 160,350.56/x
  3. Step 3: Cross multiply
    287,674.04x = 397,003.62 × 160,350.56
  4. Step 4: Simplify right side
    287,674.04x = 63,659,752,789.03
  5. Step 5: Solve for x
    x = 63,659,752,789.03/287,674.04
  6. Step 6: Final answer
    x = 221,291.27

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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.