Home / 377,044.20-520,307.78-207,277.10

Finding the Fourth Proportional to 377,044.20, 520,307.78 and 207,277.10

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Solution

The fourth proportional to 377,044.20, 520,307.78 and 207,277.10 is: 286,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,044.20 : 520,307.78 = 207,277.10 : x
  2. Step 2: Convert to fraction form
    377,044.20/520,307.78 = 207,277.10/x
  3. Step 3: Cross multiply
    377,044.20x = 520,307.78 × 207,277.10
  4. Step 4: Simplify right side
    377,044.20x = 107,847,887,745.84
  5. Step 5: Solve for x
    x = 107,847,887,745.84/377,044.20
  6. Step 6: Final answer
    x = 286,035.13

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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.