Home / 343,739.34-474,353.15-190,768.64

Finding the Fourth Proportional to 343,739.34, 474,353.15 and 190,768.64

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Solution

The fourth proportional to 343,739.34, 474,353.15 and 190,768.64 is: 263,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,739.34 : 474,353.15 = 190,768.64 : x
  2. Step 2: Convert to fraction form
    343,739.34/474,353.15 = 190,768.64/x
  3. Step 3: Cross multiply
    343,739.34x = 474,353.15 × 190,768.64
  4. Step 4: Simplify right side
    343,739.34x = 90,491,706,014.18
  5. Step 5: Solve for x
    x = 90,491,706,014.18/343,739.34
  6. Step 6: Final answer
    x = 263,256.77

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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.