Home / 253,829.58-380,569.41-120,597.54

Finding the Fourth Proportional to 253,829.58, 380,569.41 and 120,597.54

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Solution

The fourth proportional to 253,829.58, 380,569.41 and 120,597.54 is: 180,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,829.58 : 380,569.41 = 120,597.54 : x
  2. Step 2: Convert to fraction form
    253,829.58/380,569.41 = 120,597.54/x
  3. Step 3: Cross multiply
    253,829.58x = 380,569.41 × 120,597.54
  4. Step 4: Simplify right side
    253,829.58x = 45,895,734,645.25
  5. Step 5: Solve for x
    x = 45,895,734,645.25/253,829.58
  6. Step 6: Final answer
    x = 180,813.18

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1.5x scale

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.