Home / 281,489.22-388,358.62-160,543.53

Finding the Fourth Proportional to 281,489.22, 388,358.62 and 160,543.53

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Solution

The fourth proportional to 281,489.22, 388,358.62 and 160,543.53 is: 221,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,489.22 : 388,358.62 = 160,543.53 : x
  2. Step 2: Convert to fraction form
    281,489.22/388,358.62 = 160,543.53/x
  3. Step 3: Cross multiply
    281,489.22x = 388,358.62 × 160,543.53
  4. Step 4: Simplify right side
    281,489.22x = 62,348,463,359.37
  5. Step 5: Solve for x
    x = 62,348,463,359.37/281,489.22
  6. Step 6: Final answer
    x = 221,495.03

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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.