Home / 281,351.22-388,301.65-160,464.80

Finding the Fourth Proportional to 281,351.22, 388,301.65 and 160,464.80

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Solution

The fourth proportional to 281,351.22, 388,301.65 and 160,464.80 is: 221,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,351.22 : 388,301.65 = 160,464.80 : x
  2. Step 2: Convert to fraction form
    281,351.22/388,301.65 = 160,464.80/x
  3. Step 3: Cross multiply
    281,351.22x = 388,301.65 × 160,464.80
  4. Step 4: Simplify right side
    281,351.22x = 62,308,746,322.12
  5. Step 5: Solve for x
    x = 62,308,746,322.12/281,351.22
  6. Step 6: Final answer
    x = 221,462.50

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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.