Home / 378,411.50-566,974.91-228,336.44

Finding the Fourth Proportional to 378,411.50, 566,974.91 and 228,336.44

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Solution

The fourth proportional to 378,411.50, 566,974.91 and 228,336.44 is: 342,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,411.50 : 566,974.91 = 228,336.44 : x
  2. Step 2: Convert to fraction form
    378,411.50/566,974.91 = 228,336.44/x
  3. Step 3: Cross multiply
    378,411.50x = 566,974.91 × 228,336.44
  4. Step 4: Simplify right side
    378,411.50x = 129,461,030,254.69
  5. Step 5: Solve for x
    x = 129,461,030,254.69/378,411.50
  6. Step 6: Final answer
    x = 342,117.06

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1.5x scale

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.