Home / 318,542.36-478,109.18-160,881.52

Finding the Fourth Proportional to 318,542.36, 478,109.18 and 160,881.52

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Solution

The fourth proportional to 318,542.36, 478,109.18 and 160,881.52 is: 241,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,542.36 : 478,109.18 = 160,881.52 : x
  2. Step 2: Convert to fraction form
    318,542.36/478,109.18 = 160,881.52/x
  3. Step 3: Cross multiply
    318,542.36x = 478,109.18 × 160,881.52
  4. Step 4: Simplify right side
    318,542.36x = 76,918,931,604.35
  5. Step 5: Solve for x
    x = 76,918,931,604.35/318,542.36
  6. Step 6: Final answer
    x = 241,471.59

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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.