Home / 494,595.45-742,139.24-195,085.80

Finding the Fourth Proportional to 494,595.45, 742,139.24 and 195,085.80

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Solution

The fourth proportional to 494,595.45, 742,139.24 and 195,085.80 is: 292,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,595.45 : 742,139.24 = 195,085.80 : x
  2. Step 2: Convert to fraction form
    494,595.45/742,139.24 = 195,085.80/x
  3. Step 3: Cross multiply
    494,595.45x = 742,139.24 × 195,085.80
  4. Step 4: Simplify right side
    494,595.45x = 144,780,826,371.36
  5. Step 5: Solve for x
    x = 144,780,826,371.36/494,595.45
  6. Step 6: Final answer
    x = 292,725.75

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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.