Home / 427,642.04-590,147.57-231,408.51

Finding the Fourth Proportional to 427,642.04, 590,147.57 and 231,408.51

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Solution

The fourth proportional to 427,642.04, 590,147.57 and 231,408.51 is: 319,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,642.04 : 590,147.57 = 231,408.51 : x
  2. Step 2: Convert to fraction form
    427,642.04/590,147.57 = 231,408.51/x
  3. Step 3: Cross multiply
    427,642.04x = 590,147.57 × 231,408.51
  4. Step 4: Simplify right side
    427,642.04x = 136,565,169,853.82
  5. Step 5: Solve for x
    x = 136,565,169,853.82/427,642.04
  6. Step 6: Final answer
    x = 319,344.59

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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.