Home / 361,828.72-499,243.68-208,834.40

Finding the Fourth Proportional to 361,828.72, 499,243.68 and 208,834.40

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Solution

The fourth proportional to 361,828.72, 499,243.68 and 208,834.40 is: 288,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,828.72 : 499,243.68 = 208,834.40 : x
  2. Step 2: Convert to fraction form
    361,828.72/499,243.68 = 208,834.40/x
  3. Step 3: Cross multiply
    361,828.72x = 499,243.68 × 208,834.40
  4. Step 4: Simplify right side
    361,828.72x = 104,259,254,366.59
  5. Step 5: Solve for x
    x = 104,259,254,366.59/361,828.72
  6. Step 6: Final answer
    x = 288,145.33

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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.