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Finding the Fourth Proportional to 377,199.84, 520,525.40 and 207,433.97

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Solution

The fourth proportional to 377,199.84, 520,525.40 and 207,433.97 is: 286,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,199.84 : 520,525.40 = 207,433.97 : x
  2. Step 2: Convert to fraction form
    377,199.84/520,525.40 = 207,433.97/x
  3. Step 3: Cross multiply
    377,199.84x = 520,525.40 × 207,433.97
  4. Step 4: Simplify right side
    377,199.84x = 107,974,650,207.84
  5. Step 5: Solve for x
    x = 107,974,650,207.84/377,199.84
  6. Step 6: Final answer
    x = 286,253.17

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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.