Home / 309,039.03-463,691.76-166,856.09

Finding the Fourth Proportional to 309,039.03, 463,691.76 and 166,856.09

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Solution

The fourth proportional to 309,039.03, 463,691.76 and 166,856.09 is: 250,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,039.03 : 463,691.76 = 166,856.09 : x
  2. Step 2: Convert to fraction form
    309,039.03/463,691.76 = 166,856.09/x
  3. Step 3: Cross multiply
    309,039.03x = 463,691.76 × 166,856.09
  4. Step 4: Simplify right side
    309,039.03x = 77,369,791,094.65
  5. Step 5: Solve for x
    x = 77,369,791,094.65/309,039.03
  6. Step 6: Final answer
    x = 250,356.05

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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.