Home / 223,381.60-335,071.74-90,260.32

Finding the Fourth Proportional to 223,381.60, 335,071.74 and 90,260.32

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Solution

The fourth proportional to 223,381.60, 335,071.74 and 90,260.32 is: 135,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,381.60 : 335,071.74 = 90,260.32 : x
  2. Step 2: Convert to fraction form
    223,381.60/335,071.74 = 90,260.32/x
  3. Step 3: Cross multiply
    223,381.60x = 335,071.74 × 90,260.32
  4. Step 4: Simplify right side
    223,381.60x = 30,243,682,475.36
  5. Step 5: Solve for x
    x = 30,243,682,475.36/223,381.60
  6. Step 6: Final answer
    x = 135,390.21

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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.