Home / 239,809.28-330,733.56-144,298.12

Finding the Fourth Proportional to 239,809.28, 330,733.56 and 144,298.12

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Solution

The fourth proportional to 239,809.28, 330,733.56 and 144,298.12 is: 199,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,809.28 : 330,733.56 = 144,298.12 : x
  2. Step 2: Convert to fraction form
    239,809.28/330,733.56 = 144,298.12/x
  3. Step 3: Cross multiply
    239,809.28x = 330,733.56 × 144,298.12
  4. Step 4: Simplify right side
    239,809.28x = 47,724,230,928.91
  5. Step 5: Solve for x
    x = 47,724,230,928.91/239,809.28
  6. Step 6: Final answer
    x = 199,009.11

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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.