Home / 389,110.60-537,092.26-228,017.53

Finding the Fourth Proportional to 389,110.60, 537,092.26 and 228,017.53

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Solution

The fourth proportional to 389,110.60, 537,092.26 and 228,017.53 is: 314,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,110.60 : 537,092.26 = 228,017.53 : x
  2. Step 2: Convert to fraction form
    389,110.60/537,092.26 = 228,017.53/x
  3. Step 3: Cross multiply
    389,110.60x = 537,092.26 × 228,017.53
  4. Step 4: Simplify right side
    389,110.60x = 122,466,450,507.32
  5. Step 5: Solve for x
    x = 122,466,450,507.32/389,110.60
  6. Step 6: Final answer
    x = 314,734.30

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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.