Home / 487,126.50-672,207.32-269,322.49

Finding the Fourth Proportional to 487,126.50, 672,207.32 and 269,322.49

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Solution

The fourth proportional to 487,126.50, 672,207.32 and 269,322.49 is: 371,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,126.50 : 672,207.32 = 269,322.49 : x
  2. Step 2: Convert to fraction form
    487,126.50/672,207.32 = 269,322.49/x
  3. Step 3: Cross multiply
    487,126.50x = 672,207.32 × 269,322.49
  4. Step 4: Simplify right side
    487,126.50x = 181,040,549,218.63
  5. Step 5: Solve for x
    x = 181,040,549,218.63/487,126.50
  6. Step 6: Final answer
    x = 371,649.97

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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.