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Finding the Fourth Proportional to 277,662.84, 382,979.85 and 170,275.68

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Solution

The fourth proportional to 277,662.84, 382,979.85 and 170,275.68 is: 234,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,662.84 : 382,979.85 = 170,275.68 : x
  2. Step 2: Convert to fraction form
    277,662.84/382,979.85 = 170,275.68/x
  3. Step 3: Cross multiply
    277,662.84x = 382,979.85 × 170,275.68
  4. Step 4: Simplify right side
    277,662.84x = 65,212,154,385.05
  5. Step 5: Solve for x
    x = 65,212,154,385.05/277,662.84
  6. Step 6: Final answer
    x = 234,860.94

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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.