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Finding the Fourth Proportional to 349,037.74, 481,659.24 and 213,298.84

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Solution

The fourth proportional to 349,037.74, 481,659.24 and 213,298.84 is: 294,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,037.74 : 481,659.24 = 213,298.84 : x
  2. Step 2: Convert to fraction form
    349,037.74/481,659.24 = 213,298.84/x
  3. Step 3: Cross multiply
    349,037.74x = 481,659.24 × 213,298.84
  4. Step 4: Simplify right side
    349,037.74x = 102,737,357,167.28
  5. Step 5: Solve for x
    x = 102,737,357,167.28/349,037.74
  6. Step 6: Final answer
    x = 294,344.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.