Home / 306,004.30-458,897.10-106,331.20

Finding the Fourth Proportional to 306,004.30, 458,897.10 and 106,331.20

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Solution

The fourth proportional to 306,004.30, 458,897.10 and 106,331.20 is: 159,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,004.30 : 458,897.10 = 106,331.20 : x
  2. Step 2: Convert to fraction form
    306,004.30/458,897.10 = 106,331.20/x
  3. Step 3: Cross multiply
    306,004.30x = 458,897.10 × 106,331.20
  4. Step 4: Simplify right side
    306,004.30x = 48,795,079,319.52
  5. Step 5: Solve for x
    x = 48,795,079,319.52/306,004.30
  6. Step 6: Final answer
    x = 159,458.80

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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.