Home / 318,343.50-439,314.30-184,207.50

Finding the Fourth Proportional to 318,343.50, 439,314.30 and 184,207.50

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Solution

The fourth proportional to 318,343.50, 439,314.30 and 184,207.50 is: 254,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,343.50 : 439,314.30 = 184,207.50 : x
  2. Step 2: Convert to fraction form
    318,343.50/439,314.30 = 184,207.50/x
  3. Step 3: Cross multiply
    318,343.50x = 439,314.30 × 184,207.50
  4. Step 4: Simplify right side
    318,343.50x = 80,924,988,917.25
  5. Step 5: Solve for x
    x = 80,924,988,917.25/318,343.50
  6. Step 6: Final answer
    x = 254,206.51

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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.