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Finding the Fourth Proportional to 331,334.40, 497,001.60 and 242,104.80

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Solution

The fourth proportional to 331,334.40, 497,001.60 and 242,104.80 is: 363,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,334.40 : 497,001.60 = 242,104.80 : x
  2. Step 2: Convert to fraction form
    331,334.40/497,001.60 = 242,104.80/x
  3. Step 3: Cross multiply
    331,334.40x = 497,001.60 × 242,104.80
  4. Step 4: Simplify right side
    331,334.40x = 120,326,472,967.68
  5. Step 5: Solve for x
    x = 120,326,472,967.68/331,334.40
  6. Step 6: Final answer
    x = 363,157.20

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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.