Home / 489,029.56-733,538.40-134,043.28

Finding the Fourth Proportional to 489,029.56, 733,538.40 and 134,043.28

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Solution

The fourth proportional to 489,029.56, 733,538.40 and 134,043.28 is: 201,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,029.56 : 733,538.40 = 134,043.28 : x
  2. Step 2: Convert to fraction form
    489,029.56/733,538.40 = 134,043.28/x
  3. Step 3: Cross multiply
    489,029.56x = 733,538.40 × 134,043.28
  4. Step 4: Simplify right side
    489,029.56x = 98,325,893,141.95
  5. Step 5: Solve for x
    x = 98,325,893,141.95/489,029.56
  6. Step 6: Final answer
    x = 201,063.29

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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.