Home / 790,109.28-1,184,952.36-221,458.44

Finding the Fourth Proportional to 790,109.28, 1,184,952.36 and 221,458.44

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Solution

The fourth proportional to 790,109.28, 1,184,952.36 and 221,458.44 is: 332,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,109.28 : 1,184,952.36 = 221,458.44 : x
  2. Step 2: Convert to fraction form
    790,109.28/1,184,952.36 = 221,458.44/x
  3. Step 3: Cross multiply
    790,109.28x = 1,184,952.36 × 221,458.44
  4. Step 4: Simplify right side
    790,109.28x = 262,417,701,119.92
  5. Step 5: Solve for x
    x = 262,417,701,119.92/790,109.28
  6. Step 6: Final answer
    x = 332,128.36

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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.