Home / 228,001.48-342,071.42-121,367.28

Finding the Fourth Proportional to 228,001.48, 342,071.42 and 121,367.28

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Solution

The fourth proportional to 228,001.48, 342,071.42 and 121,367.28 is: 182,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,001.48 : 342,071.42 = 121,367.28 : x
  2. Step 2: Convert to fraction form
    228,001.48/342,071.42 = 121,367.28/x
  3. Step 3: Cross multiply
    228,001.48x = 342,071.42 × 121,367.28
  4. Step 4: Simplify right side
    228,001.48x = 41,516,277,811.14
  5. Step 5: Solve for x
    x = 41,516,277,811.14/228,001.48
  6. Step 6: Final answer
    x = 182,087.76

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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.