Home / 389,247.82-537,149.74-228,210.10

Finding the Fourth Proportional to 389,247.82, 537,149.74 and 228,210.10

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Solution

The fourth proportional to 389,247.82, 537,149.74 and 228,210.10 is: 314,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,247.82 : 537,149.74 = 228,210.10 : x
  2. Step 2: Convert to fraction form
    389,247.82/537,149.74 = 228,210.10/x
  3. Step 3: Cross multiply
    389,247.82x = 537,149.74 × 228,210.10
  4. Step 4: Simplify right side
    389,247.82x = 122,582,995,880.37
  5. Step 5: Solve for x
    x = 122,582,995,880.37/389,247.82
  6. Step 6: Final answer
    x = 314,922.76

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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.