Home / 366,332.95-505,279.65-228,581.23

Finding the Fourth Proportional to 366,332.95, 505,279.65 and 228,581.23

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Solution

The fourth proportional to 366,332.95, 505,279.65 and 228,581.23 is: 315,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,332.95 : 505,279.65 = 228,581.23 : x
  2. Step 2: Convert to fraction form
    366,332.95/505,279.65 = 228,581.23/x
  3. Step 3: Cross multiply
    366,332.95x = 505,279.65 × 228,581.23
  4. Step 4: Simplify right side
    366,332.95x = 115,497,443,890.97
  5. Step 5: Solve for x
    x = 115,497,443,890.97/366,332.95
  6. Step 6: Final answer
    x = 315,279.98

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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.