Home / 227,319.20-340,946.40-77,566.40

Finding the Fourth Proportional to 227,319.20, 340,946.40 and 77,566.40

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Solution

The fourth proportional to 227,319.20, 340,946.40 and 77,566.40 is: 116,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,319.20 : 340,946.40 = 77,566.40 : x
  2. Step 2: Convert to fraction form
    227,319.20/340,946.40 = 77,566.40/x
  3. Step 3: Cross multiply
    227,319.20x = 340,946.40 × 77,566.40
  4. Step 4: Simplify right side
    227,319.20x = 26,445,984,840.96
  5. Step 5: Solve for x
    x = 26,445,984,840.96/227,319.20
  6. Step 6: Final answer
    x = 116,338.54

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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.