Home / 335,390.76-463,135.32-228,216.83

Finding the Fourth Proportional to 335,390.76, 463,135.32 and 228,216.83

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Solution

The fourth proportional to 335,390.76, 463,135.32 and 228,216.83 is: 315,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,390.76 : 463,135.32 = 228,216.83 : x
  2. Step 2: Convert to fraction form
    335,390.76/463,135.32 = 228,216.83/x
  3. Step 3: Cross multiply
    335,390.76x = 463,135.32 × 228,216.83
  4. Step 4: Simplify right side
    335,390.76x = 105,695,272,275.76
  5. Step 5: Solve for x
    x = 105,695,272,275.76/335,390.76
  6. Step 6: Final answer
    x = 315,140.68

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1.5x scale

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.