Home / 343,742.10-474,356.94-190,771.38

Finding the Fourth Proportional to 343,742.10, 474,356.94 and 190,771.38

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Solution

The fourth proportional to 343,742.10, 474,356.94 and 190,771.38 is: 263,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,742.10 : 474,356.94 = 190,771.38 : x
  2. Step 2: Convert to fraction form
    343,742.10/474,356.94 = 190,771.38/x
  3. Step 3: Cross multiply
    343,742.10x = 474,356.94 × 190,771.38
  4. Step 4: Simplify right side
    343,742.10x = 90,493,728,056.38
  5. Step 5: Solve for x
    x = 90,493,728,056.38/343,742.10
  6. Step 6: Final answer
    x = 263,260.53

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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.