Home / 284,623.47-426,436.75-253,733.31

Finding the Fourth Proportional to 284,623.47, 426,436.75 and 253,733.31

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Solution

The fourth proportional to 284,623.47, 426,436.75 and 253,733.31 is: 380,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,623.47 : 426,436.75 = 253,733.31 : x
  2. Step 2: Convert to fraction form
    284,623.47/426,436.75 = 253,733.31/x
  3. Step 3: Cross multiply
    284,623.47x = 426,436.75 × 253,733.31
  4. Step 4: Simplify right side
    284,623.47x = 108,201,208,400.31
  5. Step 5: Solve for x
    x = 108,201,208,400.31/284,623.47
  6. Step 6: Final answer
    x = 380,155.61

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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.