Home / 263,565.45-395,386.79-83,590.83

Finding the Fourth Proportional to 263,565.45, 395,386.79 and 83,590.83

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Solution

The fourth proportional to 263,565.45, 395,386.79 and 83,590.83 is: 125,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,565.45 : 395,386.79 = 83,590.83 : x
  2. Step 2: Convert to fraction form
    263,565.45/395,386.79 = 83,590.83/x
  3. Step 3: Cross multiply
    263,565.45x = 395,386.79 × 83,590.83
  4. Step 4: Simplify right side
    263,565.45x = 33,050,709,529.18
  5. Step 5: Solve for x
    x = 33,050,709,529.18/263,565.45
  6. Step 6: Final answer
    x = 125,398.49

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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.