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Finding the Fourth Proportional to 254,071.62, 350,606.88 and 140,891.94

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Solution

The fourth proportional to 254,071.62, 350,606.88 and 140,891.94 is: 194,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,071.62 : 350,606.88 = 140,891.94 : x
  2. Step 2: Convert to fraction form
    254,071.62/350,606.88 = 140,891.94/x
  3. Step 3: Cross multiply
    254,071.62x = 350,606.88 × 140,891.94
  4. Step 4: Simplify right side
    254,071.62x = 49,397,683,500.55
  5. Step 5: Solve for x
    x = 49,397,683,500.55/254,071.62
  6. Step 6: Final answer
    x = 194,424.25

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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.