Home / 318,933.14-478,333.98-141,326.87

Finding the Fourth Proportional to 318,933.14, 478,333.98 and 141,326.87

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Solution

The fourth proportional to 318,933.14, 478,333.98 and 141,326.87 is: 211,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,933.14 : 478,333.98 = 141,326.87 : x
  2. Step 2: Convert to fraction form
    318,933.14/478,333.98 = 141,326.87/x
  3. Step 3: Cross multiply
    318,933.14x = 478,333.98 × 141,326.87
  4. Step 4: Simplify right side
    318,933.14x = 67,601,441,816.37
  5. Step 5: Solve for x
    x = 67,601,441,816.37/318,933.14
  6. Step 6: Final answer
    x = 211,961.17

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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.