Home / 281,527.28-388,399.56-160,675.28

Finding the Fourth Proportional to 281,527.28, 388,399.56 and 160,675.28

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Solution

The fourth proportional to 281,527.28, 388,399.56 and 160,675.28 is: 221,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,527.28 : 388,399.56 = 160,675.28 : x
  2. Step 2: Convert to fraction form
    281,527.28/388,399.56 = 160,675.28/x
  3. Step 3: Cross multiply
    281,527.28x = 388,399.56 × 160,675.28
  4. Step 4: Simplify right side
    281,527.28x = 62,406,208,054.88
  5. Step 5: Solve for x
    x = 62,406,208,054.88/281,527.28
  6. Step 6: Final answer
    x = 221,670.20

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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.