Home / 245,237.76-338,437.44-149,787.36

Finding the Fourth Proportional to 245,237.76, 338,437.44 and 149,787.36

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Solution

The fourth proportional to 245,237.76, 338,437.44 and 149,787.36 is: 206,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,237.76 : 338,437.44 = 149,787.36 : x
  2. Step 2: Convert to fraction form
    245,237.76/338,437.44 = 149,787.36/x
  3. Step 3: Cross multiply
    245,237.76x = 338,437.44 × 149,787.36
  4. Step 4: Simplify right side
    245,237.76x = 50,693,650,662.76
  5. Step 5: Solve for x
    x = 50,693,650,662.76/245,237.76
  6. Step 6: Final answer
    x = 206,712.26

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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.