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Finding the Fourth Proportional to 222,477.83, 333,713.21 and 53,999.55

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Solution

The fourth proportional to 222,477.83, 333,713.21 and 53,999.55 is: 80,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,477.83 : 333,713.21 = 53,999.55 : x
  2. Step 2: Convert to fraction form
    222,477.83/333,713.21 = 53,999.55/x
  3. Step 3: Cross multiply
    222,477.83x = 333,713.21 × 53,999.55
  4. Step 4: Simplify right side
    222,477.83x = 18,020,363,169.06
  5. Step 5: Solve for x
    x = 18,020,363,169.06/222,477.83
  6. Step 6: Final answer
    x = 80,998.47

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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.