Home / 456,134.40-684,004.68-175,455.36

Finding the Fourth Proportional to 456,134.40, 684,004.68 and 175,455.36

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Solution

The fourth proportional to 456,134.40, 684,004.68 and 175,455.36 is: 263,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,134.40 : 684,004.68 = 175,455.36 : x
  2. Step 2: Convert to fraction form
    456,134.40/684,004.68 = 175,455.36/x
  3. Step 3: Cross multiply
    456,134.40x = 684,004.68 × 175,455.36
  4. Step 4: Simplify right side
    456,134.40x = 120,012,287,371.09
  5. Step 5: Solve for x
    x = 120,012,287,371.09/456,134.40
  6. Step 6: Final answer
    x = 263,107.29

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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.