Home / 409,828.45-565,565.73-228,551.85

Finding the Fourth Proportional to 409,828.45, 565,565.73 and 228,551.85

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Solution

The fourth proportional to 409,828.45, 565,565.73 and 228,551.85 is: 315,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,828.45 : 565,565.73 = 228,551.85 : x
  2. Step 2: Convert to fraction form
    409,828.45/565,565.73 = 228,551.85/x
  3. Step 3: Cross multiply
    409,828.45x = 565,565.73 × 228,551.85
  4. Step 4: Simplify right side
    409,828.45x = 129,261,093,888.10
  5. Step 5: Solve for x
    x = 129,261,093,888.10/409,828.45
  6. Step 6: Final answer
    x = 315,402.93

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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.