Home / 210,418.08-290,366.28-114,906.48

Finding the Fourth Proportional to 210,418.08, 290,366.28 and 114,906.48

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Solution

The fourth proportional to 210,418.08, 290,366.28 and 114,906.48 is: 158,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,418.08 : 290,366.28 = 114,906.48 : x
  2. Step 2: Convert to fraction form
    210,418.08/290,366.28 = 114,906.48/x
  3. Step 3: Cross multiply
    210,418.08x = 290,366.28 × 114,906.48
  4. Step 4: Simplify right side
    210,418.08x = 33,364,967,145.49
  5. Step 5: Solve for x
    x = 33,364,967,145.49/210,418.08
  6. Step 6: Final answer
    x = 158,565.12

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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.