Home / 238,270.20-356,822.10-113,465.40

Finding the Fourth Proportional to 238,270.20, 356,822.10 and 113,465.40

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Solution

The fourth proportional to 238,270.20, 356,822.10 and 113,465.40 is: 169,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,270.20 : 356,822.10 = 113,465.40 : x
  2. Step 2: Convert to fraction form
    238,270.20/356,822.10 = 113,465.40/x
  3. Step 3: Cross multiply
    238,270.20x = 356,822.10 × 113,465.40
  4. Step 4: Simplify right side
    238,270.20x = 40,486,962,305.34
  5. Step 5: Solve for x
    x = 40,486,962,305.34/238,270.20
  6. Step 6: Final answer
    x = 169,920.38

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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.