Home / 282,313.23-389,592.90-154,997.02

Finding the Fourth Proportional to 282,313.23, 389,592.90 and 154,997.02

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Solution

The fourth proportional to 282,313.23, 389,592.90 and 154,997.02 is: 213,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,313.23 : 389,592.90 = 154,997.02 : x
  2. Step 2: Convert to fraction form
    282,313.23/389,592.90 = 154,997.02/x
  3. Step 3: Cross multiply
    282,313.23x = 389,592.90 × 154,997.02
  4. Step 4: Simplify right side
    282,313.23x = 60,385,738,513.16
  5. Step 5: Solve for x
    x = 60,385,738,513.16/282,313.23
  6. Step 6: Final answer
    x = 213,896.24

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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.