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Finding the Fourth Proportional to 254,017.44, 350,543.97 and 137,731.01

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Solution

The fourth proportional to 254,017.44, 350,543.97 and 137,731.01 is: 190,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,017.44 : 350,543.97 = 137,731.01 : x
  2. Step 2: Convert to fraction form
    254,017.44/350,543.97 = 137,731.01/x
  3. Step 3: Cross multiply
    254,017.44x = 350,543.97 × 137,731.01
  4. Step 4: Simplify right side
    254,017.44x = 48,280,773,284.79
  5. Step 5: Solve for x
    x = 48,280,773,284.79/254,017.44
  6. Step 6: Final answer
    x = 190,068.73

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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.