Home / 330,629.08-455,845.79-214,136.77

Finding the Fourth Proportional to 330,629.08, 455,845.79 and 214,136.77

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Solution

The fourth proportional to 330,629.08, 455,845.79 and 214,136.77 is: 295,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,629.08 : 455,845.79 = 214,136.77 : x
  2. Step 2: Convert to fraction form
    330,629.08/455,845.79 = 214,136.77/x
  3. Step 3: Cross multiply
    330,629.08x = 455,845.79 × 214,136.77
  4. Step 4: Simplify right side
    330,629.08x = 97,613,345,088.70
  5. Step 5: Solve for x
    x = 97,613,345,088.70/330,629.08
  6. Step 6: Final answer
    x = 295,235.21

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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.