Home / 468,628.91-646,708.22-253,769.13

Finding the Fourth Proportional to 468,628.91, 646,708.22 and 253,769.13

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Solution

The fourth proportional to 468,628.91, 646,708.22 and 253,769.13 is: 350,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,628.91 : 646,708.22 = 253,769.13 : x
  2. Step 2: Convert to fraction form
    468,628.91/646,708.22 = 253,769.13/x
  3. Step 3: Cross multiply
    468,628.91x = 646,708.22 × 253,769.13
  4. Step 4: Simplify right side
    468,628.91x = 164,114,581,084.40
  5. Step 5: Solve for x
    x = 164,114,581,084.40/468,628.91
  6. Step 6: Final answer
    x = 350,201.58

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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.