Home / 264,582.46-398,638.78-239,311.12

Finding the Fourth Proportional to 264,582.46, 398,638.78 and 239,311.12

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Solution

The fourth proportional to 264,582.46, 398,638.78 and 239,311.12 is: 360,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,582.46 : 398,638.78 = 239,311.12 : x
  2. Step 2: Convert to fraction form
    264,582.46/398,638.78 = 239,311.12/x
  3. Step 3: Cross multiply
    264,582.46x = 398,638.78 × 239,311.12
  4. Step 4: Simplify right side
    264,582.46x = 95,398,692,917.23
  5. Step 5: Solve for x
    x = 95,398,692,917.23/264,582.46
  6. Step 6: Final answer
    x = 360,563.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.