Home / 326,581.56-490,023-149,142.96

Finding the Fourth Proportional to 326,581.56, 490,023 and 149,142.96

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Solution

The fourth proportional to 326,581.56, 490,023 and 149,142.96 is: 223,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,581.56 : 490,023 = 149,142.96 : x
  2. Step 2: Convert to fraction form
    326,581.56/490,023 = 149,142.96/x
  3. Step 3: Cross multiply
    326,581.56x = 490,023 × 149,142.96
  4. Step 4: Simplify right side
    326,581.56x = 73,083,480,688.08
  5. Step 5: Solve for x
    x = 73,083,480,688.08/326,581.56
  6. Step 6: Final answer
    x = 223,783.24

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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.