Home / 210,601.44-315,570.06-77,298.30

Finding the Fourth Proportional to 210,601.44, 315,570.06 and 77,298.30

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Solution

The fourth proportional to 210,601.44, 315,570.06 and 77,298.30 is: 115,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,601.44 : 315,570.06 = 77,298.30 : x
  2. Step 2: Convert to fraction form
    210,601.44/315,570.06 = 77,298.30/x
  3. Step 3: Cross multiply
    210,601.44x = 315,570.06 × 77,298.30
  4. Step 4: Simplify right side
    210,601.44x = 24,393,029,168.90
  5. Step 5: Solve for x
    x = 24,393,029,168.90/210,601.44
  6. Step 6: Final answer
    x = 115,825.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.