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Finding the Fourth Proportional to 254,182.84, 350,769.06 and 137,894.60

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Solution

The fourth proportional to 254,182.84, 350,769.06 and 137,894.60 is: 190,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,182.84 : 350,769.06 = 137,894.60 : x
  2. Step 2: Convert to fraction form
    254,182.84/350,769.06 = 137,894.60/x
  3. Step 3: Cross multiply
    254,182.84x = 350,769.06 × 137,894.60
  4. Step 4: Simplify right side
    254,182.84x = 48,369,159,221.08
  5. Step 5: Solve for x
    x = 48,369,159,221.08/254,182.84
  6. Step 6: Final answer
    x = 190,292.78

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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.