Home / 330,530.09-456,136.43-179,627.21

Finding the Fourth Proportional to 330,530.09, 456,136.43 and 179,627.21

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Solution

The fourth proportional to 330,530.09, 456,136.43 and 179,627.21 is: 247,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,530.09 : 456,136.43 = 179,627.21 : x
  2. Step 2: Convert to fraction form
    330,530.09/456,136.43 = 179,627.21/x
  3. Step 3: Cross multiply
    330,530.09x = 456,136.43 × 179,627.21
  4. Step 4: Simplify right side
    330,530.09x = 81,934,512,468.65
  5. Step 5: Solve for x
    x = 81,934,512,468.65/330,530.09
  6. Step 6: Final answer
    x = 247,888.21

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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.