Home / 412,728.98-569,595.21-229,027.64

Finding the Fourth Proportional to 412,728.98, 569,595.21 and 229,027.64

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Solution

The fourth proportional to 412,728.98, 569,595.21 and 229,027.64 is: 316,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,728.98 : 569,595.21 = 229,027.64 : x
  2. Step 2: Convert to fraction form
    412,728.98/569,595.21 = 229,027.64/x
  3. Step 3: Cross multiply
    412,728.98x = 569,595.21 × 229,027.64
  4. Step 4: Simplify right side
    412,728.98x = 130,453,046,701.60
  5. Step 5: Solve for x
    x = 130,453,046,701.60/412,728.98
  6. Step 6: Final answer
    x = 316,074.36

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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.