Home / 370,895.58-554,964.74-221,217.30

Finding the Fourth Proportional to 370,895.58, 554,964.74 and 221,217.30

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Solution

The fourth proportional to 370,895.58, 554,964.74 and 221,217.30 is: 331,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,895.58 : 554,964.74 = 221,217.30 : x
  2. Step 2: Convert to fraction form
    370,895.58/554,964.74 = 221,217.30/x
  3. Step 3: Cross multiply
    370,895.58x = 554,964.74 × 221,217.30
  4. Step 4: Simplify right side
    370,895.58x = 122,767,801,378.00
  5. Step 5: Solve for x
    x = 122,767,801,378.00/370,895.58
  6. Step 6: Final answer
    x = 331,003.68

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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.