Home / 282,071.04-422,542.44-169,689.36

Finding the Fourth Proportional to 282,071.04, 422,542.44 and 169,689.36

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Solution

The fourth proportional to 282,071.04, 422,542.44 and 169,689.36 is: 254,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,071.04 : 422,542.44 = 169,689.36 : x
  2. Step 2: Convert to fraction form
    282,071.04/422,542.44 = 169,689.36/x
  3. Step 3: Cross multiply
    282,071.04x = 422,542.44 × 169,689.36
  4. Step 4: Simplify right side
    282,071.04x = 71,700,956,216.44
  5. Step 5: Solve for x
    x = 71,700,956,216.44/282,071.04
  6. Step 6: Final answer
    x = 254,194.67

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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.