Home / 372,000.23-513,400.43-210,837.98

Finding the Fourth Proportional to 372,000.23, 513,400.43 and 210,837.98

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Solution

The fourth proportional to 372,000.23, 513,400.43 and 210,837.98 is: 290,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,000.23 : 513,400.43 = 210,837.98 : x
  2. Step 2: Convert to fraction form
    372,000.23/513,400.43 = 210,837.98/x
  3. Step 3: Cross multiply
    372,000.23x = 513,400.43 × 210,837.98
  4. Step 4: Simplify right side
    372,000.23x = 108,244,305,971.14
  5. Step 5: Solve for x
    x = 108,244,305,971.14/372,000.23
  6. Step 6: Final answer
    x = 290,979.14

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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.