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Finding the Fourth Proportional to 376,990.61, 520,164.48 and 224,079.62

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Solution

The fourth proportional to 376,990.61, 520,164.48 and 224,079.62 is: 309,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,990.61 : 520,164.48 = 224,079.62 : x
  2. Step 2: Convert to fraction form
    376,990.61/520,164.48 = 224,079.62/x
  3. Step 3: Cross multiply
    376,990.61x = 520,164.48 × 224,079.62
  4. Step 4: Simplify right side
    376,990.61x = 116,558,257,255.37
  5. Step 5: Solve for x
    x = 116,558,257,255.37/376,990.61
  6. Step 6: Final answer
    x = 309,180.80

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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.