Home / 320,206.38-480,298.63-151,807.38

Finding the Fourth Proportional to 320,206.38, 480,298.63 and 151,807.38

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Solution

The fourth proportional to 320,206.38, 480,298.63 and 151,807.38 is: 227,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,206.38 : 480,298.63 = 151,807.38 : x
  2. Step 2: Convert to fraction form
    320,206.38/480,298.63 = 151,807.38/x
  3. Step 3: Cross multiply
    320,206.38x = 480,298.63 × 151,807.38
  4. Step 4: Simplify right side
    320,206.38x = 72,912,876,637.89
  5. Step 5: Solve for x
    x = 72,912,876,637.89/320,206.38
  6. Step 6: Final answer
    x = 227,705.88

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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.