Home / 326,985.28-490,516.32-116,653.12

Finding the Fourth Proportional to 326,985.28, 490,516.32 and 116,653.12

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Solution

The fourth proportional to 326,985.28, 490,516.32 and 116,653.12 is: 174,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,985.28 : 490,516.32 = 116,653.12 : x
  2. Step 2: Convert to fraction form
    326,985.28/490,516.32 = 116,653.12/x
  3. Step 3: Cross multiply
    326,985.28x = 490,516.32 × 116,653.12
  4. Step 4: Simplify right side
    326,985.28x = 57,220,259,138.92
  5. Step 5: Solve for x
    x = 57,220,259,138.92/326,985.28
  6. Step 6: Final answer
    x = 174,993.38

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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.