Home / 309,076.09-463,240.45-159,234.63

Finding the Fourth Proportional to 309,076.09, 463,240.45 and 159,234.63

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Solution

The fourth proportional to 309,076.09, 463,240.45 and 159,234.63 is: 238,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,076.09 : 463,240.45 = 159,234.63 : x
  2. Step 2: Convert to fraction form
    309,076.09/463,240.45 = 159,234.63/x
  3. Step 3: Cross multiply
    309,076.09x = 463,240.45 × 159,234.63
  4. Step 4: Simplify right side
    309,076.09x = 73,763,920,118.68
  5. Step 5: Solve for x
    x = 73,763,920,118.68/309,076.09
  6. Step 6: Final answer
    x = 238,659.42

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1.5x scale

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.