Home / 372,126.75-513,519.40-210,992.69

Finding the Fourth Proportional to 372,126.75, 513,519.40 and 210,992.69

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Solution

The fourth proportional to 372,126.75, 513,519.40 and 210,992.69 is: 291,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,126.75 : 513,519.40 = 210,992.69 : x
  2. Step 2: Convert to fraction form
    372,126.75/513,519.40 = 210,992.69/x
  3. Step 3: Cross multiply
    372,126.75x = 513,519.40 × 210,992.69
  4. Step 4: Simplify right side
    372,126.75x = 108,348,839,573.19
  5. Step 5: Solve for x
    x = 108,348,839,573.19/372,126.75
  6. Step 6: Final answer
    x = 291,161.12

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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.