Home / 309,284.55-426,823.17-295,112.79

Finding the Fourth Proportional to 309,284.55, 426,823.17 and 295,112.79

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Solution

The fourth proportional to 309,284.55, 426,823.17 and 295,112.79 is: 407,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,284.55 : 426,823.17 = 295,112.79 : x
  2. Step 2: Convert to fraction form
    309,284.55/426,823.17 = 295,112.79/x
  3. Step 3: Cross multiply
    309,284.55x = 426,823.17 × 295,112.79
  4. Step 4: Simplify right side
    309,284.55x = 125,960,976,535.34
  5. Step 5: Solve for x
    x = 125,960,976,535.34/309,284.55
  6. Step 6: Final answer
    x = 407,265.66

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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.