Home / 281,547.44-388,543.35-171,165.90

Finding the Fourth Proportional to 281,547.44, 388,543.35 and 171,165.90

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Solution

The fourth proportional to 281,547.44, 388,543.35 and 171,165.90 is: 236,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,547.44 : 388,543.35 = 171,165.90 : x
  2. Step 2: Convert to fraction form
    281,547.44/388,543.35 = 171,165.90/x
  3. Step 3: Cross multiply
    281,547.44x = 388,543.35 × 171,165.90
  4. Step 4: Simplify right side
    281,547.44x = 66,505,372,191.77
  5. Step 5: Solve for x
    x = 66,505,372,191.77/281,547.44
  6. Step 6: Final answer
    x = 236,213.73

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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.