Home / 356,137.90-534,007.16-243,944.80

Finding the Fourth Proportional to 356,137.90, 534,007.16 and 243,944.80

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Solution

The fourth proportional to 356,137.90, 534,007.16 and 243,944.80 is: 365,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,137.90 : 534,007.16 = 243,944.80 : x
  2. Step 2: Convert to fraction form
    356,137.90/534,007.16 = 243,944.80/x
  3. Step 3: Cross multiply
    356,137.90x = 534,007.16 × 243,944.80
  4. Step 4: Simplify right side
    356,137.90x = 130,268,269,844.77
  5. Step 5: Solve for x
    x = 130,268,269,844.77/356,137.90
  6. Step 6: Final answer
    x = 365,780.42

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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.