Home / 282,030.36-422,835.12-169,684.26

Finding the Fourth Proportional to 282,030.36, 422,835.12 and 169,684.26

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Solution

The fourth proportional to 282,030.36, 422,835.12 and 169,684.26 is: 254,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,030.36 : 422,835.12 = 169,684.26 : x
  2. Step 2: Convert to fraction form
    282,030.36/422,835.12 = 169,684.26/x
  3. Step 3: Cross multiply
    282,030.36x = 422,835.12 × 169,684.26
  4. Step 4: Simplify right side
    282,030.36x = 71,748,464,439.21
  5. Step 5: Solve for x
    x = 71,748,464,439.21/282,030.36
  6. Step 6: Final answer
    x = 254,399.79

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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.