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Finding the Fourth Proportional to 225,001, 310,507.86 and 124,405.48

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Solution

The fourth proportional to 225,001, 310,507.86 and 124,405.48 is: 171,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,001 : 310,507.86 = 124,405.48 : x
  2. Step 2: Convert to fraction form
    225,001/310,507.86 = 124,405.48/x
  3. Step 3: Cross multiply
    225,001x = 310,507.86 × 124,405.48
  4. Step 4: Simplify right side
    225,001x = 38,628,879,367.07
  5. Step 5: Solve for x
    x = 38,628,879,367.07/225,001
  6. Step 6: Final answer
    x = 171,683.15

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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.