Home / 282,175.85-423,303.48-82,511.25

Finding the Fourth Proportional to 282,175.85, 423,303.48 and 82,511.25

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Solution

The fourth proportional to 282,175.85, 423,303.48 and 82,511.25 is: 123,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,175.85 : 423,303.48 = 82,511.25 : x
  2. Step 2: Convert to fraction form
    282,175.85/423,303.48 = 82,511.25/x
  3. Step 3: Cross multiply
    282,175.85x = 423,303.48 × 82,511.25
  4. Step 4: Simplify right side
    282,175.85x = 34,927,299,264.15
  5. Step 5: Solve for x
    x = 34,927,299,264.15/282,175.85
  6. Step 6: Final answer
    x = 123,778.49

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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.