Home / 409,824.90-565,555.91-228,539.07

Finding the Fourth Proportional to 409,824.90, 565,555.91 and 228,539.07

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Solution

The fourth proportional to 409,824.90, 565,555.91 and 228,539.07 is: 315,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,824.90 : 565,555.91 = 228,539.07 : x
  2. Step 2: Convert to fraction form
    409,824.90/565,555.91 = 228,539.07/x
  3. Step 3: Cross multiply
    409,824.90x = 565,555.91 × 228,539.07
  4. Step 4: Simplify right side
    409,824.90x = 129,251,620,561.71
  5. Step 5: Solve for x
    x = 129,251,620,561.71/409,824.90
  6. Step 6: Final answer
    x = 315,382.55

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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.