Home / 358,819.20-538,228.80-246,844.80

Finding the Fourth Proportional to 358,819.20, 538,228.80 and 246,844.80

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Solution

The fourth proportional to 358,819.20, 538,228.80 and 246,844.80 is: 370,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,819.20 : 538,228.80 = 246,844.80 : x
  2. Step 2: Convert to fraction form
    358,819.20/538,228.80 = 246,844.80/x
  3. Step 3: Cross multiply
    358,819.20x = 538,228.80 × 246,844.80
  4. Step 4: Simplify right side
    358,819.20x = 132,858,980,490.24
  5. Step 5: Solve for x
    x = 132,858,980,490.24/358,819.20
  6. Step 6: Final answer
    x = 370,267.20

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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.