Home / 389,364.60-537,438.06-228,254.52

Finding the Fourth Proportional to 389,364.60, 537,438.06 and 228,254.52

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Solution

The fourth proportional to 389,364.60, 537,438.06 and 228,254.52 is: 315,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,364.60 : 537,438.06 = 228,254.52 : x
  2. Step 2: Convert to fraction form
    389,364.60/537,438.06 = 228,254.52/x
  3. Step 3: Cross multiply
    389,364.60x = 537,438.06 × 228,254.52
  4. Step 4: Simplify right side
    389,364.60x = 122,672,666,415.03
  5. Step 5: Solve for x
    x = 122,672,666,415.03/389,364.60
  6. Step 6: Final answer
    x = 315,058.60

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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.