Home / 356,744.12-492,322.25-213,476.58

Finding the Fourth Proportional to 356,744.12, 492,322.25 and 213,476.58

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Solution

The fourth proportional to 356,744.12, 492,322.25 and 213,476.58 is: 294,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,744.12 : 492,322.25 = 213,476.58 : x
  2. Step 2: Convert to fraction form
    356,744.12/492,322.25 = 213,476.58/x
  3. Step 3: Cross multiply
    356,744.12x = 492,322.25 × 213,476.58
  4. Step 4: Simplify right side
    356,744.12x = 105,099,270,721.60
  5. Step 5: Solve for x
    x = 105,099,270,721.60/356,744.12
  6. Step 6: Final answer
    x = 294,606.88

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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.