Home / 356,054.40-491,304.96-228,903.84

Finding the Fourth Proportional to 356,054.40, 491,304.96 and 228,903.84

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Solution

The fourth proportional to 356,054.40, 491,304.96 and 228,903.84 is: 315,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,054.40 : 491,304.96 = 228,903.84 : x
  2. Step 2: Convert to fraction form
    356,054.40/491,304.96 = 228,903.84/x
  3. Step 3: Cross multiply
    356,054.40x = 491,304.96 × 228,903.84
  4. Step 4: Simplify right side
    356,054.40x = 112,461,591,955.05
  5. Step 5: Solve for x
    x = 112,461,591,955.05/356,054.40
  6. Step 6: Final answer
    x = 315,855.08

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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.