Home / 212,638.60-318,629.85-184,426.30

Finding the Fourth Proportional to 212,638.60, 318,629.85 and 184,426.30

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Solution

The fourth proportional to 212,638.60, 318,629.85 and 184,426.30 is: 276,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,638.60 : 318,629.85 = 184,426.30 : x
  2. Step 2: Convert to fraction form
    212,638.60/318,629.85 = 184,426.30/x
  3. Step 3: Cross multiply
    212,638.60x = 318,629.85 × 184,426.30
  4. Step 4: Simplify right side
    212,638.60x = 58,763,724,305.06
  5. Step 5: Solve for x
    x = 58,763,724,305.06/212,638.60
  6. Step 6: Final answer
    x = 276,354.92

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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.