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Finding the Fourth Proportional to 382,924.08, 573,994.08 and 172,709.64

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Solution

The fourth proportional to 382,924.08, 573,994.08 and 172,709.64 is: 258,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,924.08 : 573,994.08 = 172,709.64 : x
  2. Step 2: Convert to fraction form
    382,924.08/573,994.08 = 172,709.64/x
  3. Step 3: Cross multiply
    382,924.08x = 573,994.08 × 172,709.64
  4. Step 4: Simplify right side
    382,924.08x = 99,134,310,918.93
  5. Step 5: Solve for x
    x = 99,134,310,918.93/382,924.08
  6. Step 6: Final answer
    x = 258,887.64

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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.