Home / 282,235.78-423,309.93-82,509.22

Finding the Fourth Proportional to 282,235.78, 423,309.93 and 82,509.22

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Solution

The fourth proportional to 282,235.78, 423,309.93 and 82,509.22 is: 123,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,235.78 : 423,309.93 = 82,509.22 : x
  2. Step 2: Convert to fraction form
    282,235.78/423,309.93 = 82,509.22/x
  3. Step 3: Cross multiply
    282,235.78x = 423,309.93 × 82,509.22
  4. Step 4: Simplify right side
    282,235.78x = 34,926,972,142.55
  5. Step 5: Solve for x
    x = 34,926,972,142.55/282,235.78
  6. Step 6: Final answer
    x = 123,751.04

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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.