Home / 291,298.07-436,952.58-80,941.49

Finding the Fourth Proportional to 291,298.07, 436,952.58 and 80,941.49

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Solution

The fourth proportional to 291,298.07, 436,952.58 and 80,941.49 is: 121,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,298.07 : 436,952.58 = 80,941.49 : x
  2. Step 2: Convert to fraction form
    291,298.07/436,952.58 = 80,941.49/x
  3. Step 3: Cross multiply
    291,298.07x = 436,952.58 × 80,941.49
  4. Step 4: Simplify right side
    291,298.07x = 35,367,592,884.54
  5. Step 5: Solve for x
    x = 35,367,592,884.54/291,298.07
  6. Step 6: Final answer
    x = 121,413.76

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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.