Home / 246,385.22-340,012.38-133,208.78

Finding the Fourth Proportional to 246,385.22, 340,012.38 and 133,208.78

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Solution

The fourth proportional to 246,385.22, 340,012.38 and 133,208.78 is: 183,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,385.22 : 340,012.38 = 133,208.78 : x
  2. Step 2: Convert to fraction form
    246,385.22/340,012.38 = 133,208.78/x
  3. Step 3: Cross multiply
    246,385.22x = 340,012.38 × 133,208.78
  4. Step 4: Simplify right side
    246,385.22x = 45,292,634,324.70
  5. Step 5: Solve for x
    x = 45,292,634,324.70/246,385.22
  6. Step 6: Final answer
    x = 183,828.54

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1.5x scale

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.