Home / 228,266.46-342,119.26-128,216.34

Finding the Fourth Proportional to 228,266.46, 342,119.26 and 128,216.34

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Solution

The fourth proportional to 228,266.46, 342,119.26 and 128,216.34 is: 192,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,266.46 : 342,119.26 = 128,216.34 : x
  2. Step 2: Convert to fraction form
    228,266.46/342,119.26 = 128,216.34/x
  3. Step 3: Cross multiply
    228,266.46x = 342,119.26 × 128,216.34
  4. Step 4: Simplify right side
    228,266.46x = 43,865,279,360.71
  5. Step 5: Solve for x
    x = 43,865,279,360.71/228,266.46
  6. Step 6: Final answer
    x = 192,166.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.