Home / 330,830.20-496,245.30-190,473.40

Finding the Fourth Proportional to 330,830.20, 496,245.30 and 190,473.40

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Solution

The fourth proportional to 330,830.20, 496,245.30 and 190,473.40 is: 285,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,830.20 : 496,245.30 = 190,473.40 : x
  2. Step 2: Convert to fraction form
    330,830.20/496,245.30 = 190,473.40/x
  3. Step 3: Cross multiply
    330,830.20x = 496,245.30 × 190,473.40
  4. Step 4: Simplify right side
    330,830.20x = 94,521,529,525.02
  5. Step 5: Solve for x
    x = 94,521,529,525.02/330,830.20
  6. Step 6: Final answer
    x = 285,710.10

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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.