Home / 331,343.90-497,015.85-242,114.30

Finding the Fourth Proportional to 331,343.90, 497,015.85 and 242,114.30

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Solution

The fourth proportional to 331,343.90, 497,015.85 and 242,114.30 is: 363,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,343.90 : 497,015.85 = 242,114.30 : x
  2. Step 2: Convert to fraction form
    331,343.90/497,015.85 = 242,114.30/x
  3. Step 3: Cross multiply
    331,343.90x = 497,015.85 × 242,114.30
  4. Step 4: Simplify right side
    331,343.90x = 120,334,644,611.66
  5. Step 5: Solve for x
    x = 120,334,644,611.66/331,343.90
  6. Step 6: Final answer
    x = 363,171.45

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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.