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Finding the Fourth Proportional to 349,119.58, 522,952.79 and 222,130.78

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Solution

The fourth proportional to 349,119.58, 522,952.79 and 222,130.78 is: 332,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,119.58 : 522,952.79 = 222,130.78 : x
  2. Step 2: Convert to fraction form
    349,119.58/522,952.79 = 222,130.78/x
  3. Step 3: Cross multiply
    349,119.58x = 522,952.79 × 222,130.78
  4. Step 4: Simplify right side
    349,119.58x = 116,163,913,488.35
  5. Step 5: Solve for x
    x = 116,163,913,488.35/349,119.58
  6. Step 6: Final answer
    x = 332,733.88

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1.5x scale

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.