Home / 290,132.22-435,332.25-132,409.02

Finding the Fourth Proportional to 290,132.22, 435,332.25 and 132,409.02

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Solution

The fourth proportional to 290,132.22, 435,332.25 and 132,409.02 is: 198,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,132.22 : 435,332.25 = 132,409.02 : x
  2. Step 2: Convert to fraction form
    290,132.22/435,332.25 = 132,409.02/x
  3. Step 3: Cross multiply
    290,132.22x = 435,332.25 × 132,409.02
  4. Step 4: Simplify right side
    290,132.22x = 57,641,916,596.90
  5. Step 5: Solve for x
    x = 57,641,916,596.90/290,132.22
  6. Step 6: Final answer
    x = 198,674.65

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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.