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Finding the Fourth Proportional to 376,465.32, 519,523 and 206,710.36

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Solution

The fourth proportional to 376,465.32, 519,523 and 206,710.36 is: 285,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,465.32 : 519,523 = 206,710.36 : x
  2. Step 2: Convert to fraction form
    376,465.32/519,523 = 206,710.36/x
  3. Step 3: Cross multiply
    376,465.32x = 519,523 × 206,710.36
  4. Step 4: Simplify right side
    376,465.32x = 107,390,786,358.28
  5. Step 5: Solve for x
    x = 107,390,786,358.28/376,465.32
  6. Step 6: Final answer
    x = 285,260.77

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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.