Home / 318,628.49-478,238.38-160,967.66

Finding the Fourth Proportional to 318,628.49, 478,238.38 and 160,967.66

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Solution

The fourth proportional to 318,628.49, 478,238.38 and 160,967.66 is: 241,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,628.49 : 478,238.38 = 160,967.66 : x
  2. Step 2: Convert to fraction form
    318,628.49/478,238.38 = 160,967.66/x
  3. Step 3: Cross multiply
    318,628.49x = 478,238.38 × 160,967.66
  4. Step 4: Simplify right side
    318,628.49x = 76,980,910,157.18
  5. Step 5: Solve for x
    x = 76,980,910,157.18/318,628.49
  6. Step 6: Final answer
    x = 241,600.84

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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.