Home / 855,159.69-1,282,939.02-247,960.68

Finding the Fourth Proportional to 855,159.69, 1,282,939.02 and 247,960.68

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Solution

The fourth proportional to 855,159.69, 1,282,939.02 and 247,960.68 is: 371,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,159.69 : 1,282,939.02 = 247,960.68 : x
  2. Step 2: Convert to fraction form
    855,159.69/1,282,939.02 = 247,960.68/x
  3. Step 3: Cross multiply
    855,159.69x = 1,282,939.02 × 247,960.68
  4. Step 4: Simplify right side
    855,159.69x = 318,118,431,797.73
  5. Step 5: Solve for x
    x = 318,118,431,797.73/855,159.69
  6. Step 6: Final answer
    x = 371,998.86

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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.