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Finding the Fourth Proportional to 376,785, 519,967.08 and 207,022.77

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Solution

The fourth proportional to 376,785, 519,967.08 and 207,022.77 is: 285,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,785 : 519,967.08 = 207,022.77 : x
  2. Step 2: Convert to fraction form
    376,785/519,967.08 = 207,022.77/x
  3. Step 3: Cross multiply
    376,785x = 519,967.08 × 207,022.77
  4. Step 4: Simplify right side
    376,785x = 107,645,025,210.41
  5. Step 5: Solve for x
    x = 107,645,025,210.41/376,785
  6. Step 6: Final answer
    x = 285,693.50

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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.