Home / 377,331.12-520,669.68-255,089.52

Finding the Fourth Proportional to 377,331.12, 520,669.68 and 255,089.52

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Solution

The fourth proportional to 377,331.12, 520,669.68 and 255,089.52 is: 351,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,331.12 : 520,669.68 = 255,089.52 : x
  2. Step 2: Convert to fraction form
    377,331.12/520,669.68 = 255,089.52/x
  3. Step 3: Cross multiply
    377,331.12x = 520,669.68 × 255,089.52
  4. Step 4: Simplify right side
    377,331.12x = 132,817,378,749.75
  5. Step 5: Solve for x
    x = 132,817,378,749.75/377,331.12
  6. Step 6: Final answer
    x = 351,991.58

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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.