Home / 389,257.04-537,226.26-228,175.40

Finding the Fourth Proportional to 389,257.04, 537,226.26 and 228,175.40

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Solution

The fourth proportional to 389,257.04, 537,226.26 and 228,175.40 is: 314,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,257.04 : 537,226.26 = 228,175.40 : x
  2. Step 2: Convert to fraction form
    389,257.04/537,226.26 = 228,175.40/x
  3. Step 3: Cross multiply
    389,257.04x = 537,226.26 × 228,175.40
  4. Step 4: Simplify right side
    389,257.04x = 122,581,816,766.00
  5. Step 5: Solve for x
    x = 122,581,816,766.00/389,257.04
  6. Step 6: Final answer
    x = 314,912.27

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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.