Home / 403,218.17-604,807.20-150,479.33

Finding the Fourth Proportional to 403,218.17, 604,807.20 and 150,479.33

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Solution

The fourth proportional to 403,218.17, 604,807.20 and 150,479.33 is: 225,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,218.17 : 604,807.20 = 150,479.33 : x
  2. Step 2: Convert to fraction form
    403,218.17/604,807.20 = 150,479.33/x
  3. Step 3: Cross multiply
    403,218.17x = 604,807.20 × 150,479.33
  4. Step 4: Simplify right side
    403,218.17x = 91,010,982,235.18
  5. Step 5: Solve for x
    x = 91,010,982,235.18/403,218.17
  6. Step 6: Final answer
    x = 225,711.51

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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.