Home / 487,447.23-672,664.64-269,650.25

Finding the Fourth Proportional to 487,447.23, 672,664.64 and 269,650.25

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Solution

The fourth proportional to 487,447.23, 672,664.64 and 269,650.25 is: 372,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,447.23 : 672,664.64 = 269,650.25 : x
  2. Step 2: Convert to fraction form
    487,447.23/672,664.64 = 269,650.25/x
  3. Step 3: Cross multiply
    487,447.23x = 672,664.64 × 269,650.25
  4. Step 4: Simplify right side
    487,447.23x = 181,384,186,153.08
  5. Step 5: Solve for x
    x = 181,384,186,153.08/487,447.23
  6. Step 6: Final answer
    x = 372,110.40

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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.