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Finding the Fourth Proportional to 222,409.20, 333,613.80 and 163,360.20

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Solution

The fourth proportional to 222,409.20, 333,613.80 and 163,360.20 is: 245,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,409.20 : 333,613.80 = 163,360.20 : x
  2. Step 2: Convert to fraction form
    222,409.20/333,613.80 = 163,360.20/x
  3. Step 3: Cross multiply
    222,409.20x = 333,613.80 × 163,360.20
  4. Step 4: Simplify right side
    222,409.20x = 54,499,217,090.76
  5. Step 5: Solve for x
    x = 54,499,217,090.76/222,409.20
  6. Step 6: Final answer
    x = 245,040.30

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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.