Home / 376,530.12-519,665.94-225,641.16

Finding the Fourth Proportional to 376,530.12, 519,665.94 and 225,641.16

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Solution

The fourth proportional to 376,530.12, 519,665.94 and 225,641.16 is: 311,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,530.12 : 519,665.94 = 225,641.16 : x
  2. Step 2: Convert to fraction form
    376,530.12/519,665.94 = 225,641.16/x
  3. Step 3: Cross multiply
    376,530.12x = 519,665.94 × 225,641.16
  4. Step 4: Simplify right side
    376,530.12x = 117,258,025,514.09
  5. Step 5: Solve for x
    x = 117,258,025,514.09/376,530.12
  6. Step 6: Final answer
    x = 311,417.39

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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.