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Finding the Fourth Proportional to 223,064.40, 334,301.24 and 163,621.74

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Solution

The fourth proportional to 223,064.40, 334,301.24 and 163,621.74 is: 245,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,064.40 : 334,301.24 = 163,621.74 : x
  2. Step 2: Convert to fraction form
    223,064.40/334,301.24 = 163,621.74/x
  3. Step 3: Cross multiply
    223,064.40x = 334,301.24 × 163,621.74
  4. Step 4: Simplify right side
    223,064.40x = 54,698,950,572.96
  5. Step 5: Solve for x
    x = 54,698,950,572.96/223,064.40
  6. Step 6: Final answer
    x = 245,215.96

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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.