Home / 245,945.30-368,918.03-189,867.28

Finding the Fourth Proportional to 245,945.30, 368,918.03 and 189,867.28

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Solution

The fourth proportional to 245,945.30, 368,918.03 and 189,867.28 is: 284,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,945.30 : 368,918.03 = 189,867.28 : x
  2. Step 2: Convert to fraction form
    245,945.30/368,918.03 = 189,867.28/x
  3. Step 3: Cross multiply
    245,945.30x = 368,918.03 × 189,867.28
  4. Step 4: Simplify right side
    245,945.30x = 70,045,462,899.06
  5. Step 5: Solve for x
    x = 70,045,462,899.06/245,945.30
  6. Step 6: Final answer
    x = 284,800.98

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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.