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Finding the Fourth Proportional to 280,992.84, 387,652.41 and 184,219.89

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Solution

The fourth proportional to 280,992.84, 387,652.41 and 184,219.89 is: 254,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,992.84 : 387,652.41 = 184,219.89 : x
  2. Step 2: Convert to fraction form
    280,992.84/387,652.41 = 184,219.89/x
  3. Step 3: Cross multiply
    280,992.84x = 387,652.41 × 184,219.89
  4. Step 4: Simplify right side
    280,992.84x = 71,413,284,328.43
  5. Step 5: Solve for x
    x = 71,413,284,328.43/280,992.84
  6. Step 6: Final answer
    x = 254,146.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.