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Finding the Fourth Proportional to 377,410.88, 521,041.92 and 250,258.16

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Solution

The fourth proportional to 377,410.88, 521,041.92 and 250,258.16 is: 345,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,410.88 : 521,041.92 = 250,258.16 : x
  2. Step 2: Convert to fraction form
    377,410.88/521,041.92 = 250,258.16/x
  3. Step 3: Cross multiply
    377,410.88x = 521,041.92 × 250,258.16
  4. Step 4: Simplify right side
    377,410.88x = 130,394,992,182.07
  5. Step 5: Solve for x
    x = 130,394,992,182.07/377,410.88
  6. Step 6: Final answer
    x = 345,498.76

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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.