Home / 378,409.76-566,972.33-228,334.71

Finding the Fourth Proportional to 378,409.76, 566,972.33 and 228,334.71

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Solution

The fourth proportional to 378,409.76, 566,972.33 and 228,334.71 is: 342,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,409.76 : 566,972.33 = 228,334.71 : x
  2. Step 2: Convert to fraction form
    378,409.76/566,972.33 = 228,334.71/x
  3. Step 3: Cross multiply
    378,409.76x = 566,972.33 × 228,334.71
  4. Step 4: Simplify right side
    378,409.76x = 129,459,461,406.90
  5. Step 5: Solve for x
    x = 129,459,461,406.90/378,409.76
  6. Step 6: Final answer
    x = 342,114.49

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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.