Home / 330,823.30-496,234.95-302,829.70

Finding the Fourth Proportional to 330,823.30, 496,234.95 and 302,829.70

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Solution

The fourth proportional to 330,823.30, 496,234.95 and 302,829.70 is: 454,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,823.30 : 496,234.95 = 302,829.70 : x
  2. Step 2: Convert to fraction form
    330,823.30/496,234.95 = 302,829.70/x
  3. Step 3: Cross multiply
    330,823.30x = 496,234.95 × 302,829.70
  4. Step 4: Simplify right side
    330,823.30x = 150,274,681,038.02
  5. Step 5: Solve for x
    x = 150,274,681,038.02/330,823.30
  6. Step 6: Final answer
    x = 454,244.55

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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.