Home / 377,326.20-520,681.68-207,571.32

Finding the Fourth Proportional to 377,326.20, 520,681.68 and 207,571.32

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Solution

The fourth proportional to 377,326.20, 520,681.68 and 207,571.32 is: 286,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,326.20 : 520,681.68 = 207,571.32 : x
  2. Step 2: Convert to fraction form
    377,326.20/520,681.68 = 207,571.32/x
  3. Step 3: Cross multiply
    377,326.20x = 520,681.68 × 207,571.32
  4. Step 4: Simplify right side
    377,326.20x = 108,078,583,617.42
  5. Step 5: Solve for x
    x = 108,078,583,617.42/377,326.20
  6. Step 6: Final answer
    x = 286,432.76

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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.