Home / 378,045.36-566,890.20-141,325.20

Finding the Fourth Proportional to 378,045.36, 566,890.20 and 141,325.20

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Solution

The fourth proportional to 378,045.36, 566,890.20 and 141,325.20 is: 211,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,045.36 : 566,890.20 = 141,325.20 : x
  2. Step 2: Convert to fraction form
    378,045.36/566,890.20 = 141,325.20/x
  3. Step 3: Cross multiply
    378,045.36x = 566,890.20 × 141,325.20
  4. Step 4: Simplify right side
    378,045.36x = 80,115,870,893.04
  5. Step 5: Solve for x
    x = 80,115,870,893.04/378,045.36
  6. Step 6: Final answer
    x = 211,921.32

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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.