Home / 264,976.90-397,328.55-77,964.10

Finding the Fourth Proportional to 264,976.90, 397,328.55 and 77,964.10

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Solution

The fourth proportional to 264,976.90, 397,328.55 and 77,964.10 is: 116,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,976.90 : 397,328.55 = 77,964.10 : x
  2. Step 2: Convert to fraction form
    264,976.90/397,328.55 = 77,964.10/x
  3. Step 3: Cross multiply
    264,976.90x = 397,328.55 × 77,964.10
  4. Step 4: Simplify right side
    264,976.90x = 30,977,362,805.06
  5. Step 5: Solve for x
    x = 30,977,362,805.06/264,976.90
  6. Step 6: Final answer
    x = 116,905.90

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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.