Home / 456,619.42-684,818.34-190,234.60

Finding the Fourth Proportional to 456,619.42, 684,818.34 and 190,234.60

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Solution

The fourth proportional to 456,619.42, 684,818.34 and 190,234.60 is: 285,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,619.42 : 684,818.34 = 190,234.60 : x
  2. Step 2: Convert to fraction form
    456,619.42/684,818.34 = 190,234.60/x
  3. Step 3: Cross multiply
    456,619.42x = 684,818.34 × 190,234.60
  4. Step 4: Simplify right side
    456,619.42x = 130,276,142,982.56
  5. Step 5: Solve for x
    x = 130,276,142,982.56/456,619.42
  6. Step 6: Final answer
    x = 285,305.74

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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.