Home / 439,427.13-606,474.14-278,297.16

Finding the Fourth Proportional to 439,427.13, 606,474.14 and 278,297.16

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Solution

The fourth proportional to 439,427.13, 606,474.14 and 278,297.16 is: 384,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,427.13 : 606,474.14 = 278,297.16 : x
  2. Step 2: Convert to fraction form
    439,427.13/606,474.14 = 278,297.16/x
  3. Step 3: Cross multiply
    439,427.13x = 606,474.14 × 278,297.16
  4. Step 4: Simplify right side
    439,427.13x = 168,780,030,775.44
  5. Step 5: Solve for x
    x = 168,780,030,775.44/439,427.13
  6. Step 6: Final answer
    x = 384,091.06

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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.