Home / 281,327.40-388,277.04-160,508.12

Finding the Fourth Proportional to 281,327.40, 388,277.04 and 160,508.12

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Solution

The fourth proportional to 281,327.40, 388,277.04 and 160,508.12 is: 221,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,327.40 : 388,277.04 = 160,508.12 : x
  2. Step 2: Convert to fraction form
    281,327.40/388,277.04 = 160,508.12/x
  3. Step 3: Cross multiply
    281,327.40x = 388,277.04 × 160,508.12
  4. Step 4: Simplify right side
    281,327.40x = 62,321,617,729.56
  5. Step 5: Solve for x
    x = 62,321,617,729.56/281,327.40
  6. Step 6: Final answer
    x = 221,527.01

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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.