Home / 323,987.23-486,212.37-144,121.06

Finding the Fourth Proportional to 323,987.23, 486,212.37 and 144,121.06

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Solution

The fourth proportional to 323,987.23, 486,212.37 and 144,121.06 is: 216,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,987.23 : 486,212.37 = 144,121.06 : x
  2. Step 2: Convert to fraction form
    323,987.23/486,212.37 = 144,121.06/x
  3. Step 3: Cross multiply
    323,987.23x = 486,212.37 × 144,121.06
  4. Step 4: Simplify right side
    323,987.23x = 70,073,442,149.51
  5. Step 5: Solve for x
    x = 70,073,442,149.51/323,987.23
  6. Step 6: Final answer
    x = 216,284.58

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1.5x scale

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.