Home / 343,968.63-474,836.90-229,437.87

Finding the Fourth Proportional to 343,968.63, 474,836.90 and 229,437.87

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Solution

The fourth proportional to 343,968.63, 474,836.90 and 229,437.87 is: 316,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,968.63 : 474,836.90 = 229,437.87 : x
  2. Step 2: Convert to fraction form
    343,968.63/474,836.90 = 229,437.87/x
  3. Step 3: Cross multiply
    343,968.63x = 474,836.90 × 229,437.87
  4. Step 4: Simplify right side
    343,968.63x = 108,945,565,786.21
  5. Step 5: Solve for x
    x = 108,945,565,786.21/343,968.63
  6. Step 6: Final answer
    x = 316,731.11

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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.