Home / 541,258.20-812,081.70-225,811.80

Finding the Fourth Proportional to 541,258.20, 812,081.70 and 225,811.80

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Solution

The fourth proportional to 541,258.20, 812,081.70 and 225,811.80 is: 338,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,258.20 : 812,081.70 = 225,811.80 : x
  2. Step 2: Convert to fraction form
    541,258.20/812,081.70 = 225,811.80/x
  3. Step 3: Cross multiply
    541,258.20x = 812,081.70 × 225,811.80
  4. Step 4: Simplify right side
    541,258.20x = 183,377,630,424.06
  5. Step 5: Solve for x
    x = 183,377,630,424.06/541,258.20
  6. Step 6: Final answer
    x = 338,798.80

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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.