Home / 282,318.24-389,599.80-155,002.02

Finding the Fourth Proportional to 282,318.24, 389,599.80 and 155,002.02

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Solution

The fourth proportional to 282,318.24, 389,599.80 and 155,002.02 is: 213,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,318.24 : 389,599.80 = 155,002.02 : x
  2. Step 2: Convert to fraction form
    282,318.24/389,599.80 = 155,002.02/x
  3. Step 3: Cross multiply
    282,318.24x = 389,599.80 × 155,002.02
  4. Step 4: Simplify right side
    282,318.24x = 60,388,755,991.60
  5. Step 5: Solve for x
    x = 60,388,755,991.60/282,318.24
  6. Step 6: Final answer
    x = 213,903.13

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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.