Home / 326,245.48-449,742.18-230,583.40

Finding the Fourth Proportional to 326,245.48, 449,742.18 and 230,583.40

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Solution

The fourth proportional to 326,245.48, 449,742.18 and 230,583.40 is: 317,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,245.48 : 449,742.18 = 230,583.40 : x
  2. Step 2: Convert to fraction form
    326,245.48/449,742.18 = 230,583.40/x
  3. Step 3: Cross multiply
    326,245.48x = 449,742.18 × 230,583.40
  4. Step 4: Simplify right side
    326,245.48x = 103,703,080,987.81
  5. Step 5: Solve for x
    x = 103,703,080,987.81/326,245.48
  6. Step 6: Final answer
    x = 317,868.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.