Home / 223,973.20-335,952.60-74,220.40

Finding the Fourth Proportional to 223,973.20, 335,952.60 and 74,220.40

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Solution

The fourth proportional to 223,973.20, 335,952.60 and 74,220.40 is: 111,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,973.20 : 335,952.60 = 74,220.40 : x
  2. Step 2: Convert to fraction form
    223,973.20/335,952.60 = 74,220.40/x
  3. Step 3: Cross multiply
    223,973.20x = 335,952.60 × 74,220.40
  4. Step 4: Simplify right side
    223,973.20x = 24,934,536,353.04
  5. Step 5: Solve for x
    x = 24,934,536,353.04/223,973.20
  6. Step 6: Final answer
    x = 111,328.21

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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.