Home / 343,743.60-474,359.01-190,772.88

Finding the Fourth Proportional to 343,743.60, 474,359.01 and 190,772.88

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Solution

The fourth proportional to 343,743.60, 474,359.01 and 190,772.88 is: 263,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,743.60 : 474,359.01 = 190,772.88 : x
  2. Step 2: Convert to fraction form
    343,743.60/474,359.01 = 190,772.88/x
  3. Step 3: Cross multiply
    343,743.60x = 474,359.01 × 190,772.88
  4. Step 4: Simplify right side
    343,743.60x = 90,494,834,491.65
  5. Step 5: Solve for x
    x = 90,494,834,491.65/343,743.60
  6. Step 6: Final answer
    x = 263,262.60

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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.