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Finding the Fourth Proportional to 377,498.88, 520,947.52 and 207,733.01

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Solution

The fourth proportional to 377,498.88, 520,947.52 and 207,733.01 is: 286,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,498.88 : 520,947.52 = 207,733.01 : x
  2. Step 2: Convert to fraction form
    377,498.88/520,947.52 = 207,733.01/x
  3. Step 3: Cross multiply
    377,498.88x = 520,947.52 × 207,733.01
  4. Step 4: Simplify right side
    377,498.88x = 108,217,993,257.57
  5. Step 5: Solve for x
    x = 108,217,993,257.57/377,498.88
  6. Step 6: Final answer
    x = 286,671.03

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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.