Home / 419,036.48-578,282.45-228,061.97

Finding the Fourth Proportional to 419,036.48, 578,282.45 and 228,061.97

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Solution

The fourth proportional to 419,036.48, 578,282.45 and 228,061.97 is: 314,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,036.48 : 578,282.45 = 228,061.97 : x
  2. Step 2: Convert to fraction form
    419,036.48/578,282.45 = 228,061.97/x
  3. Step 3: Cross multiply
    419,036.48x = 578,282.45 × 228,061.97
  4. Step 4: Simplify right side
    419,036.48x = 131,884,230,731.70
  5. Step 5: Solve for x
    x = 131,884,230,731.70/419,036.48
  6. Step 6: Final answer
    x = 314,732.10

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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.