Home / 389,253.90-537,174.27-228,204.30

Finding the Fourth Proportional to 389,253.90, 537,174.27 and 228,204.30

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Solution

The fourth proportional to 389,253.90, 537,174.27 and 228,204.30 is: 314,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,253.90 : 537,174.27 = 228,204.30 : x
  2. Step 2: Convert to fraction form
    389,253.90/537,174.27 = 228,204.30/x
  3. Step 3: Cross multiply
    389,253.90x = 537,174.27 × 228,204.30
  4. Step 4: Simplify right side
    389,253.90x = 122,585,478,263.36
  5. Step 5: Solve for x
    x = 122,585,478,263.36/389,253.90
  6. Step 6: Final answer
    x = 314,924.21

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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.