Home / 309,046.08-463,776.84-109,365.60

Finding the Fourth Proportional to 309,046.08, 463,776.84 and 109,365.60

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Solution

The fourth proportional to 309,046.08, 463,776.84 and 109,365.60 is: 164,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,046.08 : 463,776.84 = 109,365.60 : x
  2. Step 2: Convert to fraction form
    309,046.08/463,776.84 = 109,365.60/x
  3. Step 3: Cross multiply
    309,046.08x = 463,776.84 × 109,365.60
  4. Step 4: Simplify right side
    309,046.08x = 50,721,232,372.70
  5. Step 5: Solve for x
    x = 50,721,232,372.70/309,046.08
  6. Step 6: Final answer
    x = 164,121.91

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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.