Home / 404,621.20-606,931.80-194,669.20

Finding the Fourth Proportional to 404,621.20, 606,931.80 and 194,669.20

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Solution

The fourth proportional to 404,621.20, 606,931.80 and 194,669.20 is: 292,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,621.20 : 606,931.80 = 194,669.20 : x
  2. Step 2: Convert to fraction form
    404,621.20/606,931.80 = 194,669.20/x
  3. Step 3: Cross multiply
    404,621.20x = 606,931.80 × 194,669.20
  4. Step 4: Simplify right side
    404,621.20x = 118,150,927,960.56
  5. Step 5: Solve for x
    x = 118,150,927,960.56/404,621.20
  6. Step 6: Final answer
    x = 292,003.80

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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.