Home / 228,000.48-342,069.92-121,366.28

Finding the Fourth Proportional to 228,000.48, 342,069.92 and 121,366.28

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Solution

The fourth proportional to 228,000.48, 342,069.92 and 121,366.28 is: 182,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.48 : 342,069.92 = 121,366.28 : x
  2. Step 2: Convert to fraction form
    228,000.48/342,069.92 = 121,366.28/x
  3. Step 3: Cross multiply
    228,000.48x = 342,069.92 × 121,366.28
  4. Step 4: Simplify right side
    228,000.48x = 41,515,751,373.12
  5. Step 5: Solve for x
    x = 41,515,751,373.12/228,000.48
  6. Step 6: Final answer
    x = 182,086.25

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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.