Home / 282,318.47-389,600.14-155,002.26

Finding the Fourth Proportional to 282,318.47, 389,600.14 and 155,002.26

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Solution

The fourth proportional to 282,318.47, 389,600.14 and 155,002.26 is: 213,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,318.47 : 389,600.14 = 155,002.26 : x
  2. Step 2: Convert to fraction form
    282,318.47/389,600.14 = 155,002.26/x
  3. Step 3: Cross multiply
    282,318.47x = 389,600.14 × 155,002.26
  4. Step 4: Simplify right side
    282,318.47x = 60,388,902,196.32
  5. Step 5: Solve for x
    x = 60,388,902,196.32/282,318.47
  6. Step 6: Final answer
    x = 213,903.48

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1.5x scale

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.