Home / 448,195.32-672,279.48-181,949.40

Finding the Fourth Proportional to 448,195.32, 672,279.48 and 181,949.40

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Solution

The fourth proportional to 448,195.32, 672,279.48 and 181,949.40 is: 272,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,195.32 : 672,279.48 = 181,949.40 : x
  2. Step 2: Convert to fraction form
    448,195.32/672,279.48 = 181,949.40/x
  3. Step 3: Cross multiply
    448,195.32x = 672,279.48 × 181,949.40
  4. Step 4: Simplify right side
    448,195.32x = 122,320,848,018.31
  5. Step 5: Solve for x
    x = 122,320,848,018.31/448,195.32
  6. Step 6: Final answer
    x = 272,918.62

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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.