Home / 231,322.36-346,985.94-81,534.74

Finding the Fourth Proportional to 231,322.36, 346,985.94 and 81,534.74

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Solution

The fourth proportional to 231,322.36, 346,985.94 and 81,534.74 is: 122,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,322.36 : 346,985.94 = 81,534.74 : x
  2. Step 2: Convert to fraction form
    231,322.36/346,985.94 = 81,534.74/x
  3. Step 3: Cross multiply
    231,322.36x = 346,985.94 × 81,534.74
  4. Step 4: Simplify right side
    231,322.36x = 28,291,408,401.56
  5. Step 5: Solve for x
    x = 28,291,408,401.56/231,322.36
  6. Step 6: Final answer
    x = 122,302.96

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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.