Home / 409,561.20-565,125.93-228,233.39

Finding the Fourth Proportional to 409,561.20, 565,125.93 and 228,233.39

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Solution

The fourth proportional to 409,561.20, 565,125.93 and 228,233.39 is: 314,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,561.20 : 565,125.93 = 228,233.39 : x
  2. Step 2: Convert to fraction form
    409,561.20/565,125.93 = 228,233.39/x
  3. Step 3: Cross multiply
    409,561.20x = 565,125.93 × 228,233.39
  4. Step 4: Simplify right side
    409,561.20x = 128,980,603,955.17
  5. Step 5: Solve for x
    x = 128,980,603,955.17/409,561.20
  6. Step 6: Final answer
    x = 314,923.88

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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.