Home / 372,009.13-513,412.68-210,846.85

Finding the Fourth Proportional to 372,009.13, 513,412.68 and 210,846.85

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Solution

The fourth proportional to 372,009.13, 513,412.68 and 210,846.85 is: 290,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,009.13 : 513,412.68 = 210,846.85 : x
  2. Step 2: Convert to fraction form
    372,009.13/513,412.68 = 210,846.85/x
  3. Step 3: Cross multiply
    372,009.13x = 513,412.68 × 210,846.85
  4. Step 4: Simplify right side
    372,009.13x = 108,251,446,328.06
  5. Step 5: Solve for x
    x = 108,251,446,328.06/372,009.13
  6. Step 6: Final answer
    x = 290,991.37

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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.