Home / 362,639.28-500,281.20-241,662.72

Finding the Fourth Proportional to 362,639.28, 500,281.20 and 241,662.72

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Solution

The fourth proportional to 362,639.28, 500,281.20 and 241,662.72 is: 333,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,639.28 : 500,281.20 = 241,662.72 : x
  2. Step 2: Convert to fraction form
    362,639.28/500,281.20 = 241,662.72/x
  3. Step 3: Cross multiply
    362,639.28x = 500,281.20 × 241,662.72
  4. Step 4: Simplify right side
    362,639.28x = 120,899,315,556.86
  5. Step 5: Solve for x
    x = 120,899,315,556.86/362,639.28
  6. Step 6: Final answer
    x = 333,387.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.