Home / 343,739.09-474,352.80-190,768.39

Finding the Fourth Proportional to 343,739.09, 474,352.80 and 190,768.39

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Solution

The fourth proportional to 343,739.09, 474,352.80 and 190,768.39 is: 263,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,739.09 : 474,352.80 = 190,768.39 : x
  2. Step 2: Convert to fraction form
    343,739.09/474,352.80 = 190,768.39/x
  3. Step 3: Cross multiply
    343,739.09x = 474,352.80 × 190,768.39
  4. Step 4: Simplify right side
    343,739.09x = 90,491,520,898.62
  5. Step 5: Solve for x
    x = 90,491,520,898.62/343,739.09
  6. Step 6: Final answer
    x = 263,256.42

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1.5x scale

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.