Home / 378,411.51-566,974.95-228,336.46

Finding the Fourth Proportional to 378,411.51, 566,974.95 and 228,336.46

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Solution

The fourth proportional to 378,411.51, 566,974.95 and 228,336.46 is: 342,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,411.51 : 566,974.95 = 228,336.46 : x
  2. Step 2: Convert to fraction form
    378,411.51/566,974.95 = 228,336.46/x
  3. Step 3: Cross multiply
    378,411.51x = 566,974.95 × 228,336.46
  4. Step 4: Simplify right side
    378,411.51x = 129,461,052,991.68
  5. Step 5: Solve for x
    x = 129,461,052,991.68/378,411.51
  6. Step 6: Final answer
    x = 342,117.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.