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Finding the Fourth Proportional to 377,059.22, 520,345.13 and 204,977.53

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Solution

The fourth proportional to 377,059.22, 520,345.13 and 204,977.53 is: 282,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,059.22 : 520,345.13 = 204,977.53 : x
  2. Step 2: Convert to fraction form
    377,059.22/520,345.13 = 204,977.53/x
  3. Step 3: Cross multiply
    377,059.22x = 520,345.13 × 204,977.53
  4. Step 4: Simplify right side
    377,059.22x = 106,659,059,494.93
  5. Step 5: Solve for x
    x = 106,659,059,494.93/377,059.22
  6. Step 6: Final answer
    x = 282,870.84

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1.5x scale

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.