Home / 291,332.20-436,998.30-202,858.60

Finding the Fourth Proportional to 291,332.20, 436,998.30 and 202,858.60

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Solution

The fourth proportional to 291,332.20, 436,998.30 and 202,858.60 is: 304,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,332.20 : 436,998.30 = 202,858.60 : x
  2. Step 2: Convert to fraction form
    291,332.20/436,998.30 = 202,858.60/x
  3. Step 3: Cross multiply
    291,332.20x = 436,998.30 × 202,858.60
  4. Step 4: Simplify right side
    291,332.20x = 88,648,863,340.38
  5. Step 5: Solve for x
    x = 88,648,863,340.38/291,332.20
  6. Step 6: Final answer
    x = 304,287.90

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1.5x scale

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.