Home / 389,424.80-537,360.20-226,043.44

Finding the Fourth Proportional to 389,424.80, 537,360.20 and 226,043.44

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Solution

The fourth proportional to 389,424.80, 537,360.20 and 226,043.44 is: 311,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,424.80 : 537,360.20 = 226,043.44 : x
  2. Step 2: Convert to fraction form
    389,424.80/537,360.20 = 226,043.44/x
  3. Step 3: Cross multiply
    389,424.80x = 537,360.20 × 226,043.44
  4. Step 4: Simplify right side
    389,424.80x = 121,466,748,127.09
  5. Step 5: Solve for x
    x = 121,466,748,127.09/389,424.80
  6. Step 6: Final answer
    x = 311,913.23

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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.