Home / 356,788.02-492,625.78-229,685.06

Finding the Fourth Proportional to 356,788.02, 492,625.78 and 229,685.06

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Solution

The fourth proportional to 356,788.02, 492,625.78 and 229,685.06 is: 317,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,788.02 : 492,625.78 = 229,685.06 : x
  2. Step 2: Convert to fraction form
    356,788.02/492,625.78 = 229,685.06/x
  3. Step 3: Cross multiply
    356,788.02x = 492,625.78 × 229,685.06
  4. Step 4: Simplify right side
    356,788.02x = 113,148,781,836.85
  5. Step 5: Solve for x
    x = 113,148,781,836.85/356,788.02
  6. Step 6: Final answer
    x = 317,131.67

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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.