Home / 377,708.20-566,999.70-228,117.40

Finding the Fourth Proportional to 377,708.20, 566,999.70 and 228,117.40

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Solution

The fourth proportional to 377,708.20, 566,999.70 and 228,117.40 is: 342,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,708.20 : 566,999.70 = 228,117.40 : x
  2. Step 2: Convert to fraction form
    377,708.20/566,999.70 = 228,117.40/x
  3. Step 3: Cross multiply
    377,708.20x = 566,999.70 × 228,117.40
  4. Step 4: Simplify right side
    377,708.20x = 129,342,497,364.78
  5. Step 5: Solve for x
    x = 129,342,497,364.78/377,708.20
  6. Step 6: Final answer
    x = 342,440.27

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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.