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Finding the Fourth Proportional to 371,518.89, 512,853.02 and 250,823.66

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Solution

The fourth proportional to 371,518.89, 512,853.02 and 250,823.66 is: 346,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,518.89 : 512,853.02 = 250,823.66 : x
  2. Step 2: Convert to fraction form
    371,518.89/512,853.02 = 250,823.66/x
  3. Step 3: Cross multiply
    371,518.89x = 512,853.02 × 250,823.66
  4. Step 4: Simplify right side
    371,518.89x = 128,635,667,700.07
  5. Step 5: Solve for x
    x = 128,635,667,700.07/371,518.89
  6. Step 6: Final answer
    x = 346,242.60

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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.