Home / 351,345.28-484,856.38-190,200.20

Finding the Fourth Proportional to 351,345.28, 484,856.38 and 190,200.20

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Solution

The fourth proportional to 351,345.28, 484,856.38 and 190,200.20 is: 262,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,345.28 : 484,856.38 = 190,200.20 : x
  2. Step 2: Convert to fraction form
    351,345.28/484,856.38 = 190,200.20/x
  3. Step 3: Cross multiply
    351,345.28x = 484,856.38 × 190,200.20
  4. Step 4: Simplify right side
    351,345.28x = 92,219,780,708.42
  5. Step 5: Solve for x
    x = 92,219,780,708.42/351,345.28
  6. Step 6: Final answer
    x = 262,476.22

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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.