Home / 210,824.56-316,279.12-77,705.44

Finding the Fourth Proportional to 210,824.56, 316,279.12 and 77,705.44

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Solution

The fourth proportional to 210,824.56, 316,279.12 and 77,705.44 is: 116,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,824.56 : 316,279.12 = 77,705.44 : x
  2. Step 2: Convert to fraction form
    210,824.56/316,279.12 = 77,705.44/x
  3. Step 3: Cross multiply
    210,824.56x = 316,279.12 × 77,705.44
  4. Step 4: Simplify right side
    210,824.56x = 24,576,608,182.41
  5. Step 5: Solve for x
    x = 24,576,608,182.41/210,824.56
  6. Step 6: Final answer
    x = 116,573.74

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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.