Home / 377,526.42-520,986.11-207,760.55

Finding the Fourth Proportional to 377,526.42, 520,986.11 and 207,760.55

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Solution

The fourth proportional to 377,526.42, 520,986.11 and 207,760.55 is: 286,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,526.42 : 520,986.11 = 207,760.55 : x
  2. Step 2: Convert to fraction form
    377,526.42/520,986.11 = 207,760.55/x
  3. Step 3: Cross multiply
    377,526.42x = 520,986.11 × 207,760.55
  4. Step 4: Simplify right side
    377,526.42x = 108,240,357,112.23
  5. Step 5: Solve for x
    x = 108,240,357,112.23/377,526.42
  6. Step 6: Final answer
    x = 286,709.36

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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.