Home / 377,412.89-520,833.92-205,331.83

Finding the Fourth Proportional to 377,412.89, 520,833.92 and 205,331.83

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Solution

The fourth proportional to 377,412.89, 520,833.92 and 205,331.83 is: 283,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,412.89 : 520,833.92 = 205,331.83 : x
  2. Step 2: Convert to fraction form
    377,412.89/520,833.92 = 205,331.83/x
  3. Step 3: Cross multiply
    377,412.89x = 520,833.92 × 205,331.83
  4. Step 4: Simplify right side
    377,412.89x = 106,943,779,590.93
  5. Step 5: Solve for x
    x = 106,943,779,590.93/377,412.89
  6. Step 6: Final answer
    x = 283,360.17

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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.