Home / 370,830.08-554,867.22-221,151.80

Finding the Fourth Proportional to 370,830.08, 554,867.22 and 221,151.80

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Solution

The fourth proportional to 370,830.08, 554,867.22 and 221,151.80 is: 330,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,830.08 : 554,867.22 = 221,151.80 : x
  2. Step 2: Convert to fraction form
    370,830.08/554,867.22 = 221,151.80/x
  3. Step 3: Cross multiply
    370,830.08x = 554,867.22 × 221,151.80
  4. Step 4: Simplify right side
    370,830.08x = 122,709,884,464.00
  5. Step 5: Solve for x
    x = 122,709,884,464.00/370,830.08
  6. Step 6: Final answer
    x = 330,905.96

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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.