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Finding the Fourth Proportional to 404,878.08, 607,687.32 and 205,336.08

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Solution

The fourth proportional to 404,878.08, 607,687.32 and 205,336.08 is: 308,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,878.08 : 607,687.32 = 205,336.08 : x
  2. Step 2: Convert to fraction form
    404,878.08/607,687.32 = 205,336.08/x
  3. Step 3: Cross multiply
    404,878.08x = 607,687.32 × 205,336.08
  4. Step 4: Simplify right side
    404,878.08x = 124,780,132,154.51
  5. Step 5: Solve for x
    x = 124,780,132,154.51/404,878.08
  6. Step 6: Final answer
    x = 308,191.87

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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.