Home / 370,823.58-554,857.47-221,145.30

Finding the Fourth Proportional to 370,823.58, 554,857.47 and 221,145.30

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Solution

The fourth proportional to 370,823.58, 554,857.47 and 221,145.30 is: 330,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,823.58 : 554,857.47 = 221,145.30 : x
  2. Step 2: Convert to fraction form
    370,823.58/554,857.47 = 221,145.30/x
  3. Step 3: Cross multiply
    370,823.58x = 554,857.47 × 221,145.30
  4. Step 4: Simplify right side
    370,823.58x = 122,704,121,660.39
  5. Step 5: Solve for x
    x = 122,704,121,660.39/370,823.58
  6. Step 6: Final answer
    x = 330,896.22

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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.