Home / 409,853.90-565,597.26-228,566.02

Finding the Fourth Proportional to 409,853.90, 565,597.26 and 228,566.02

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Solution

The fourth proportional to 409,853.90, 565,597.26 and 228,566.02 is: 315,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,853.90 : 565,597.26 = 228,566.02 : x
  2. Step 2: Convert to fraction form
    409,853.90/565,597.26 = 228,566.02/x
  3. Step 3: Cross multiply
    409,853.90x = 565,597.26 × 228,566.02
  4. Step 4: Simplify right side
    409,853.90x = 129,276,313,227.11
  5. Step 5: Solve for x
    x = 129,276,313,227.11/409,853.90
  6. Step 6: Final answer
    x = 315,420.48

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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.