Home / 371,793.09-513,032.82-210,613.62

Finding the Fourth Proportional to 371,793.09, 513,032.82 and 210,613.62

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Solution

The fourth proportional to 371,793.09, 513,032.82 and 210,613.62 is: 290,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,793.09 : 513,032.82 = 210,613.62 : x
  2. Step 2: Convert to fraction form
    371,793.09/513,032.82 = 210,613.62/x
  3. Step 3: Cross multiply
    371,793.09x = 513,032.82 × 210,613.62
  4. Step 4: Simplify right side
    371,793.09x = 108,051,699,399.01
  5. Step 5: Solve for x
    x = 108,051,699,399.01/371,793.09
  6. Step 6: Final answer
    x = 290,623.20

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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.