Home / 377,555.04-521,025.66-207,789.30

Finding the Fourth Proportional to 377,555.04, 521,025.66 and 207,789.30

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Solution

The fourth proportional to 377,555.04, 521,025.66 and 207,789.30 is: 286,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,555.04 : 521,025.66 = 207,789.30 : x
  2. Step 2: Convert to fraction form
    377,555.04/521,025.66 = 207,789.30/x
  3. Step 3: Cross multiply
    377,555.04x = 521,025.66 × 207,789.30
  4. Step 4: Simplify right side
    377,555.04x = 108,263,557,173.44
  5. Step 5: Solve for x
    x = 108,263,557,173.44/377,555.04
  6. Step 6: Final answer
    x = 286,749.07

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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.