Home / 228,912.06-343,360.80-60,427.20

Finding the Fourth Proportional to 228,912.06, 343,360.80 and 60,427.20

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Solution

The fourth proportional to 228,912.06, 343,360.80 and 60,427.20 is: 90,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,912.06 : 343,360.80 = 60,427.20 : x
  2. Step 2: Convert to fraction form
    228,912.06/343,360.80 = 60,427.20/x
  3. Step 3: Cross multiply
    228,912.06x = 343,360.80 × 60,427.20
  4. Step 4: Simplify right side
    228,912.06x = 20,748,331,733.76
  5. Step 5: Solve for x
    x = 20,748,331,733.76/228,912.06
  6. Step 6: Final answer
    x = 90,638.88

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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.