Home / 288,535.21-432,789.83-193,805.31

Finding the Fourth Proportional to 288,535.21, 432,789.83 and 193,805.31

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Solution

The fourth proportional to 288,535.21, 432,789.83 and 193,805.31 is: 290,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,535.21 : 432,789.83 = 193,805.31 : x
  2. Step 2: Convert to fraction form
    288,535.21/432,789.83 = 193,805.31/x
  3. Step 3: Cross multiply
    288,535.21x = 432,789.83 × 193,805.31
  4. Step 4: Simplify right side
    288,535.21x = 83,876,967,204.41
  5. Step 5: Solve for x
    x = 83,876,967,204.41/288,535.21
  6. Step 6: Final answer
    x = 290,699.24

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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.