Home / 301,063.12-415,433.28-173,780.80

Finding the Fourth Proportional to 301,063.12, 415,433.28 and 173,780.80

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Solution

The fourth proportional to 301,063.12, 415,433.28 and 173,780.80 is: 239,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,063.12 : 415,433.28 = 173,780.80 : x
  2. Step 2: Convert to fraction form
    301,063.12/415,433.28 = 173,780.80/x
  3. Step 3: Cross multiply
    301,063.12x = 415,433.28 × 173,780.80
  4. Step 4: Simplify right side
    301,063.12x = 72,194,327,745.02
  5. Step 5: Solve for x
    x = 72,194,327,745.02/301,063.12
  6. Step 6: Final answer
    x = 239,797.98

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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.