Home / 351,432.07-484,976.55-190,287.20

Finding the Fourth Proportional to 351,432.07, 484,976.55 and 190,287.20

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Solution

The fourth proportional to 351,432.07, 484,976.55 and 190,287.20 is: 262,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,432.07 : 484,976.55 = 190,287.20 : x
  2. Step 2: Convert to fraction form
    351,432.07/484,976.55 = 190,287.20/x
  3. Step 3: Cross multiply
    351,432.07x = 484,976.55 × 190,287.20
  4. Step 4: Simplify right side
    351,432.07x = 92,284,831,691.18
  5. Step 5: Solve for x
    x = 92,284,831,691.18/351,432.07
  6. Step 6: Final answer
    x = 262,596.50

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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.