Home / 497,987.36-746,867.28-142,998.56

Finding the Fourth Proportional to 497,987.36, 746,867.28 and 142,998.56

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Solution

The fourth proportional to 497,987.36, 746,867.28 and 142,998.56 is: 214,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,987.36 : 746,867.28 = 142,998.56 : x
  2. Step 2: Convert to fraction form
    497,987.36/746,867.28 = 142,998.56/x
  3. Step 3: Cross multiply
    497,987.36x = 746,867.28 × 142,998.56
  4. Step 4: Simplify right side
    497,987.36x = 106,800,945,551.12
  5. Step 5: Solve for x
    x = 106,800,945,551.12/497,987.36
  6. Step 6: Final answer
    x = 214,465.17

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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.