Home / 330,815.80-496,223.70-302,822.20

Finding the Fourth Proportional to 330,815.80, 496,223.70 and 302,822.20

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Solution

The fourth proportional to 330,815.80, 496,223.70 and 302,822.20 is: 454,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,815.80 : 496,223.70 = 302,822.20 : x
  2. Step 2: Convert to fraction form
    330,815.80/496,223.70 = 302,822.20/x
  3. Step 3: Cross multiply
    330,815.80x = 496,223.70 × 302,822.20
  4. Step 4: Simplify right side
    330,815.80x = 150,267,552,526.14
  5. Step 5: Solve for x
    x = 150,267,552,526.14/330,815.80
  6. Step 6: Final answer
    x = 454,233.30

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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.