Home / 228,082.20-342,090.90-70,326.60

Finding the Fourth Proportional to 228,082.20, 342,090.90 and 70,326.60

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Solution

The fourth proportional to 228,082.20, 342,090.90 and 70,326.60 is: 105,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,082.20 : 342,090.90 = 70,326.60 : x
  2. Step 2: Convert to fraction form
    228,082.20/342,090.90 = 70,326.60/x
  3. Step 3: Cross multiply
    228,082.20x = 342,090.90 × 70,326.60
  4. Step 4: Simplify right side
    228,082.20x = 24,058,089,887.94
  5. Step 5: Solve for x
    x = 24,058,089,887.94/228,082.20
  6. Step 6: Final answer
    x = 105,479.91

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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.