Home / 326,564.40-450,725.19-188,749.20

Finding the Fourth Proportional to 326,564.40, 450,725.19 and 188,749.20

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Solution

The fourth proportional to 326,564.40, 450,725.19 and 188,749.20 is: 260,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,564.40 : 450,725.19 = 188,749.20 : x
  2. Step 2: Convert to fraction form
    326,564.40/450,725.19 = 188,749.20/x
  3. Step 3: Cross multiply
    326,564.40x = 450,725.19 × 188,749.20
  4. Step 4: Simplify right side
    326,564.40x = 85,074,019,032.35
  5. Step 5: Solve for x
    x = 85,074,019,032.35/326,564.40
  6. Step 6: Final answer
    x = 260,512.23

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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.