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Finding the Fourth Proportional to 207,392.39, 285,598.97 and 180,156.04

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Solution

The fourth proportional to 207,392.39, 285,598.97 and 180,156.04 is: 248,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,392.39 : 285,598.97 = 180,156.04 : x
  2. Step 2: Convert to fraction form
    207,392.39/285,598.97 = 180,156.04/x
  3. Step 3: Cross multiply
    207,392.39x = 285,598.97 × 180,156.04
  4. Step 4: Simplify right side
    207,392.39x = 51,452,379,463.28
  5. Step 5: Solve for x
    x = 51,452,379,463.28/207,392.39
  6. Step 6: Final answer
    x = 248,091.94

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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.