Home / 439,281.20-606,245.64-248,328.56

Finding the Fourth Proportional to 439,281.20, 606,245.64 and 248,328.56

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Solution

The fourth proportional to 439,281.20, 606,245.64 and 248,328.56 is: 342,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,281.20 : 606,245.64 = 248,328.56 : x
  2. Step 2: Convert to fraction form
    439,281.20/606,245.64 = 248,328.56/x
  3. Step 3: Cross multiply
    439,281.20x = 606,245.64 × 248,328.56
  4. Step 4: Simplify right side
    439,281.20x = 150,548,106,787.48
  5. Step 5: Solve for x
    x = 150,548,106,787.48/439,281.20
  6. Step 6: Final answer
    x = 342,714.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.