Home / 228,935.40-343,403.10-154,285.80

Finding the Fourth Proportional to 228,935.40, 343,403.10 and 154,285.80

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Solution

The fourth proportional to 228,935.40, 343,403.10 and 154,285.80 is: 231,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,935.40 : 343,403.10 = 154,285.80 : x
  2. Step 2: Convert to fraction form
    228,935.40/343,403.10 = 154,285.80/x
  3. Step 3: Cross multiply
    228,935.40x = 343,403.10 × 154,285.80
  4. Step 4: Simplify right side
    228,935.40x = 52,982,222,005.98
  5. Step 5: Solve for x
    x = 52,982,222,005.98/228,935.40
  6. Step 6: Final answer
    x = 231,428.70

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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.