Home / 468,566.86-646,623.12-253,708.96

Finding the Fourth Proportional to 468,566.86, 646,623.12 and 253,708.96

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Solution

The fourth proportional to 468,566.86, 646,623.12 and 253,708.96 is: 350,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,566.86 : 646,623.12 = 253,708.96 : x
  2. Step 2: Convert to fraction form
    468,566.86/646,623.12 = 253,708.96/x
  3. Step 3: Cross multiply
    468,566.86x = 646,623.12 × 253,708.96
  4. Step 4: Simplify right side
    468,566.86x = 164,054,079,287.16
  5. Step 5: Solve for x
    x = 164,054,079,287.16/468,566.86
  6. Step 6: Final answer
    x = 350,118.83

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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.