Home / 439,319.28-606,254.04-248,325.96

Finding the Fourth Proportional to 439,319.28, 606,254.04 and 248,325.96

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Solution

The fourth proportional to 439,319.28, 606,254.04 and 248,325.96 is: 342,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,319.28 : 606,254.04 = 248,325.96 : x
  2. Step 2: Convert to fraction form
    439,319.28/606,254.04 = 248,325.96/x
  3. Step 3: Cross multiply
    439,319.28x = 606,254.04 × 248,325.96
  4. Step 4: Simplify right side
    439,319.28x = 150,548,616,486.88
  5. Step 5: Solve for x
    x = 150,548,616,486.88/439,319.28
  6. Step 6: Final answer
    x = 342,686.11

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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.