Home / 302,286.40-453,778.80-162,318.40

Finding the Fourth Proportional to 302,286.40, 453,778.80 and 162,318.40

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Solution

The fourth proportional to 302,286.40, 453,778.80 and 162,318.40 is: 243,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,286.40 : 453,778.80 = 162,318.40 : x
  2. Step 2: Convert to fraction form
    302,286.40/453,778.80 = 162,318.40/x
  3. Step 3: Cross multiply
    302,286.40x = 453,778.80 × 162,318.40
  4. Step 4: Simplify right side
    302,286.40x = 73,656,648,769.92
  5. Step 5: Solve for x
    x = 73,656,648,769.92/302,286.40
  6. Step 6: Final answer
    x = 243,665.11

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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.