Home / 480,180.24-720,194.64-302,142.24

Finding the Fourth Proportional to 480,180.24, 720,194.64 and 302,142.24

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Solution

The fourth proportional to 480,180.24, 720,194.64 and 302,142.24 is: 453,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,180.24 : 720,194.64 = 302,142.24 : x
  2. Step 2: Convert to fraction form
    480,180.24/720,194.64 = 302,142.24/x
  3. Step 3: Cross multiply
    480,180.24x = 720,194.64 × 302,142.24
  4. Step 4: Simplify right side
    480,180.24x = 217,601,221,765.59
  5. Step 5: Solve for x
    x = 217,601,221,765.59/480,180.24
  6. Step 6: Final answer
    x = 453,165.71

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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.