Home / 343,660.18-474,496.77-229,209.34

Finding the Fourth Proportional to 343,660.18, 474,496.77 and 229,209.34

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Solution

The fourth proportional to 343,660.18, 474,496.77 and 229,209.34 is: 316,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,660.18 : 474,496.77 = 229,209.34 : x
  2. Step 2: Convert to fraction form
    343,660.18/474,496.77 = 229,209.34/x
  3. Step 3: Cross multiply
    343,660.18x = 474,496.77 × 229,209.34
  4. Step 4: Simplify right side
    343,660.18x = 108,759,091,483.83
  5. Step 5: Solve for x
    x = 108,759,091,483.83/343,660.18
  6. Step 6: Final answer
    x = 316,472.78

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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.