Home / 389,241.16-537,140.60-228,203.46

Finding the Fourth Proportional to 389,241.16, 537,140.60 and 228,203.46

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Solution

The fourth proportional to 389,241.16, 537,140.60 and 228,203.46 is: 314,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,241.16 : 537,140.60 = 228,203.46 : x
  2. Step 2: Convert to fraction form
    389,241.16/537,140.60 = 228,203.46/x
  3. Step 3: Cross multiply
    389,241.16x = 537,140.60 × 228,203.46
  4. Step 4: Simplify right side
    389,241.16x = 122,577,343,426.48
  5. Step 5: Solve for x
    x = 122,577,343,426.48/389,241.16
  6. Step 6: Final answer
    x = 314,913.62

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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.