Home / 309,039.73-463,754.61-131,546.46

Finding the Fourth Proportional to 309,039.73, 463,754.61 and 131,546.46

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Solution

The fourth proportional to 309,039.73, 463,754.61 and 131,546.46 is: 197,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,039.73 : 463,754.61 = 131,546.46 : x
  2. Step 2: Convert to fraction form
    309,039.73/463,754.61 = 131,546.46/x
  3. Step 3: Cross multiply
    309,039.73x = 463,754.61 × 131,546.46
  4. Step 4: Simplify right side
    309,039.73x = 61,005,277,254.18
  5. Step 5: Solve for x
    x = 61,005,277,254.18/309,039.73
  6. Step 6: Final answer
    x = 197,402.70

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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.