Home / 419,160.20-578,441.14-228,175.02

Finding the Fourth Proportional to 419,160.20, 578,441.14 and 228,175.02

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Solution

The fourth proportional to 419,160.20, 578,441.14 and 228,175.02 is: 314,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,160.20 : 578,441.14 = 228,175.02 : x
  2. Step 2: Convert to fraction form
    419,160.20/578,441.14 = 228,175.02/x
  3. Step 3: Cross multiply
    419,160.20x = 578,441.14 × 228,175.02
  4. Step 4: Simplify right side
    419,160.20x = 131,985,818,688.32
  5. Step 5: Solve for x
    x = 131,985,818,688.32/419,160.20
  6. Step 6: Final answer
    x = 314,881.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.