Home / 409,621.33-565,269.33-228,322.45

Finding the Fourth Proportional to 409,621.33, 565,269.33 and 228,322.45

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Solution

The fourth proportional to 409,621.33, 565,269.33 and 228,322.45 is: 315,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,621.33 : 565,269.33 = 228,322.45 : x
  2. Step 2: Convert to fraction form
    409,621.33/565,269.33 = 228,322.45/x
  3. Step 3: Cross multiply
    409,621.33x = 565,269.33 × 228,322.45
  4. Step 4: Simplify right side
    409,621.33x = 129,063,678,335.46
  5. Step 5: Solve for x
    x = 129,063,678,335.46/409,621.33
  6. Step 6: Final answer
    x = 315,080.46

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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.