Home / 220,246.25-303,914.04-129,582.28

Finding the Fourth Proportional to 220,246.25, 303,914.04 and 129,582.28

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Solution

The fourth proportional to 220,246.25, 303,914.04 and 129,582.28 is: 178,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,246.25 : 303,914.04 = 129,582.28 : x
  2. Step 2: Convert to fraction form
    220,246.25/303,914.04 = 129,582.28/x
  3. Step 3: Cross multiply
    220,246.25x = 303,914.04 × 129,582.28
  4. Step 4: Simplify right side
    220,246.25x = 39,381,872,707.64
  5. Step 5: Solve for x
    x = 39,381,872,707.64/220,246.25
  6. Step 6: Final answer
    x = 178,808.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.