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Finding the Fourth Proportional to 284,502.69, 426,775.82 and 84,807.81

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Solution

The fourth proportional to 284,502.69, 426,775.82 and 84,807.81 is: 127,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,502.69 : 426,775.82 = 84,807.81 : x
  2. Step 2: Convert to fraction form
    284,502.69/426,775.82 = 84,807.81/x
  3. Step 3: Cross multiply
    284,502.69x = 426,775.82 × 84,807.81
  4. Step 4: Simplify right side
    284,502.69x = 36,193,922,231.12
  5. Step 5: Solve for x
    x = 36,193,922,231.12/284,502.69
  6. Step 6: Final answer
    x = 127,218.21

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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.