Home / 231,615.40-346,839.90-152,300.20

Finding the Fourth Proportional to 231,615.40, 346,839.90 and 152,300.20

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Solution

The fourth proportional to 231,615.40, 346,839.90 and 152,300.20 is: 228,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,615.40 : 346,839.90 = 152,300.20 : x
  2. Step 2: Convert to fraction form
    231,615.40/346,839.90 = 152,300.20/x
  3. Step 3: Cross multiply
    231,615.40x = 346,839.90 × 152,300.20
  4. Step 4: Simplify right side
    231,615.40x = 52,823,786,137.98
  5. Step 5: Solve for x
    x = 52,823,786,137.98/231,615.40
  6. Step 6: Final answer
    x = 228,066.81

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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.