Home / 426,110.07-638,999.03-159,725.27

Finding the Fourth Proportional to 426,110.07, 638,999.03 and 159,725.27

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Solution

The fourth proportional to 426,110.07, 638,999.03 and 159,725.27 is: 239,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,110.07 : 638,999.03 = 159,725.27 : x
  2. Step 2: Convert to fraction form
    426,110.07/638,999.03 = 159,725.27/x
  3. Step 3: Cross multiply
    426,110.07x = 638,999.03 × 159,725.27
  4. Step 4: Simplify right side
    426,110.07x = 102,064,290,100.48
  5. Step 5: Solve for x
    x = 102,064,290,100.48/426,110.07
  6. Step 6: Final answer
    x = 239,525.65

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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.