Home / 282,933.40-424,400.24-72,571.36

Finding the Fourth Proportional to 282,933.40, 424,400.24 and 72,571.36

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Solution

The fourth proportional to 282,933.40, 424,400.24 and 72,571.36 is: 108,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,933.40 : 424,400.24 = 72,571.36 : x
  2. Step 2: Convert to fraction form
    282,933.40/424,400.24 = 72,571.36/x
  3. Step 3: Cross multiply
    282,933.40x = 424,400.24 × 72,571.36
  4. Step 4: Simplify right side
    282,933.40x = 30,799,302,601.13
  5. Step 5: Solve for x
    x = 30,799,302,601.13/282,933.40
  6. Step 6: Final answer
    x = 108,857.08

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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.