Home / 389,244.07-537,144.58-228,206.35

Finding the Fourth Proportional to 389,244.07, 537,144.58 and 228,206.35

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Solution

The fourth proportional to 389,244.07, 537,144.58 and 228,206.35 is: 314,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,244.07 : 537,144.58 = 228,206.35 : x
  2. Step 2: Convert to fraction form
    389,244.07/537,144.58 = 228,206.35/x
  3. Step 3: Cross multiply
    389,244.07x = 537,144.58 × 228,206.35
  4. Step 4: Simplify right side
    389,244.07x = 122,579,804,024.08
  5. Step 5: Solve for x
    x = 122,579,804,024.08/389,244.07
  6. Step 6: Final answer
    x = 314,917.59

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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.