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Finding the Fourth Proportional to 332,108.90, 498,163.35 and 313,738.10

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Solution

The fourth proportional to 332,108.90, 498,163.35 and 313,738.10 is: 470,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,108.90 : 498,163.35 = 313,738.10 : x
  2. Step 2: Convert to fraction form
    332,108.90/498,163.35 = 313,738.10/x
  3. Step 3: Cross multiply
    332,108.90x = 498,163.35 × 313,738.10
  4. Step 4: Simplify right side
    332,108.90x = 156,292,822,918.64
  5. Step 5: Solve for x
    x = 156,292,822,918.64/332,108.90
  6. Step 6: Final answer
    x = 470,607.15

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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.