Home / 348,933.01-481,572.82-212,985

Finding the Fourth Proportional to 348,933.01, 481,572.82 and 212,985

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Solution

The fourth proportional to 348,933.01, 481,572.82 and 212,985 is: 293,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,933.01 : 481,572.82 = 212,985 : x
  2. Step 2: Convert to fraction form
    348,933.01/481,572.82 = 212,985/x
  3. Step 3: Cross multiply
    348,933.01x = 481,572.82 × 212,985
  4. Step 4: Simplify right side
    348,933.01x = 102,567,787,067.70
  5. Step 5: Solve for x
    x = 102,567,787,067.70/348,933.01
  6. Step 6: Final answer
    x = 293,946.93

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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.