Home / 282,496.10-423,635.72-120,287.38

Finding the Fourth Proportional to 282,496.10, 423,635.72 and 120,287.38

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Solution

The fourth proportional to 282,496.10, 423,635.72 and 120,287.38 is: 180,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,496.10 : 423,635.72 = 120,287.38 : x
  2. Step 2: Convert to fraction form
    282,496.10/423,635.72 = 120,287.38/x
  3. Step 3: Cross multiply
    282,496.10x = 423,635.72 × 120,287.38
  4. Step 4: Simplify right side
    282,496.10x = 50,958,030,833.21
  5. Step 5: Solve for x
    x = 50,958,030,833.21/282,496.10
  6. Step 6: Final answer
    x = 180,384.90

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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.