Home / 838,093.80-1,257,189.30-239,098.80

Finding the Fourth Proportional to 838,093.80, 1,257,189.30 and 239,098.80

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Solution

The fourth proportional to 838,093.80, 1,257,189.30 and 239,098.80 is: 358,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,093.80 : 1,257,189.30 = 239,098.80 : x
  2. Step 2: Convert to fraction form
    838,093.80/1,257,189.30 = 239,098.80/x
  3. Step 3: Cross multiply
    838,093.80x = 1,257,189.30 × 239,098.80
  4. Step 4: Simplify right side
    838,093.80x = 300,592,453,002.84
  5. Step 5: Solve for x
    x = 300,592,453,002.84/838,093.80
  6. Step 6: Final answer
    x = 358,662.07

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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.