Home / 284,767.41-426,940.29-172,421.22

Finding the Fourth Proportional to 284,767.41, 426,940.29 and 172,421.22

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Solution

The fourth proportional to 284,767.41, 426,940.29 and 172,421.22 is: 258,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,767.41 : 426,940.29 = 172,421.22 : x
  2. Step 2: Convert to fraction form
    284,767.41/426,940.29 = 172,421.22/x
  3. Step 3: Cross multiply
    284,767.41x = 426,940.29 × 172,421.22
  4. Step 4: Simplify right side
    284,767.41x = 73,613,565,668.95
  5. Step 5: Solve for x
    x = 73,613,565,668.95/284,767.41
  6. Step 6: Final answer
    x = 258,504.18

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1.5x scale

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.