Home / 228,913.06-343,362.30-60,428.20

Finding the Fourth Proportional to 228,913.06, 343,362.30 and 60,428.20

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Solution

The fourth proportional to 228,913.06, 343,362.30 and 60,428.20 is: 90,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,913.06 : 343,362.30 = 60,428.20 : x
  2. Step 2: Convert to fraction form
    228,913.06/343,362.30 = 60,428.20/x
  3. Step 3: Cross multiply
    228,913.06x = 343,362.30 × 60,428.20
  4. Step 4: Simplify right side
    228,913.06x = 20,748,765,736.86
  5. Step 5: Solve for x
    x = 20,748,765,736.86/228,913.06
  6. Step 6: Final answer
    x = 90,640.38

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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.