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Finding the Fourth Proportional to 399,925.46, 599,767.02 and 210,283.64

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Solution

The fourth proportional to 399,925.46, 599,767.02 and 210,283.64 is: 315,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,925.46 : 599,767.02 = 210,283.64 : x
  2. Step 2: Convert to fraction form
    399,925.46/599,767.02 = 210,283.64/x
  3. Step 3: Cross multiply
    399,925.46x = 599,767.02 × 210,283.64
  4. Step 4: Simplify right side
    399,925.46x = 126,121,192,117.55
  5. Step 5: Solve for x
    x = 126,121,192,117.55/399,925.46
  6. Step 6: Final answer
    x = 315,361.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.