Home / 318,550.17-478,120.61-160,889.34

Finding the Fourth Proportional to 318,550.17, 478,120.61 and 160,889.34

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Solution

The fourth proportional to 318,550.17, 478,120.61 and 160,889.34 is: 241,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,550.17 : 478,120.61 = 160,889.34 : x
  2. Step 2: Convert to fraction form
    318,550.17/478,120.61 = 160,889.34/x
  3. Step 3: Cross multiply
    318,550.17x = 478,120.61 × 160,889.34
  4. Step 4: Simplify right side
    318,550.17x = 76,924,509,383.30
  5. Step 5: Solve for x
    x = 76,924,509,383.30/318,550.17
  6. Step 6: Final answer
    x = 241,483.18

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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.