Home / 389,209.36-583,770.56-104,928.21

Finding the Fourth Proportional to 389,209.36, 583,770.56 and 104,928.21

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Solution

The fourth proportional to 389,209.36, 583,770.56 and 104,928.21 is: 157,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,209.36 : 583,770.56 = 104,928.21 : x
  2. Step 2: Convert to fraction form
    389,209.36/583,770.56 = 104,928.21/x
  3. Step 3: Cross multiply
    389,209.36x = 583,770.56 × 104,928.21
  4. Step 4: Simplify right side
    389,209.36x = 61,253,999,911.50
  5. Step 5: Solve for x
    x = 61,253,999,911.50/389,209.36
  6. Step 6: Final answer
    x = 157,380.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.