Home / 348,213.21-522,319.98-229,856.88

Finding the Fourth Proportional to 348,213.21, 522,319.98 and 229,856.88

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Solution

The fourth proportional to 348,213.21, 522,319.98 and 229,856.88 is: 344,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213.21 : 522,319.98 = 229,856.88 : x
  2. Step 2: Convert to fraction form
    348,213.21/522,319.98 = 229,856.88/x
  3. Step 3: Cross multiply
    348,213.21x = 522,319.98 × 229,856.88
  4. Step 4: Simplify right side
    348,213.21x = 120,058,840,964.46
  5. Step 5: Solve for x
    x = 120,058,840,964.46/348,213.21
  6. Step 6: Final answer
    x = 344,785.43

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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.