Home / 330,810.30-496,215.45-302,816.70

Finding the Fourth Proportional to 330,810.30, 496,215.45 and 302,816.70

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Solution

The fourth proportional to 330,810.30, 496,215.45 and 302,816.70 is: 454,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,810.30 : 496,215.45 = 302,816.70 : x
  2. Step 2: Convert to fraction form
    330,810.30/496,215.45 = 302,816.70/x
  3. Step 3: Cross multiply
    330,810.30x = 496,215.45 × 302,816.70
  4. Step 4: Simplify right side
    330,810.30x = 150,262,325,058.02
  5. Step 5: Solve for x
    x = 150,262,325,058.02/330,810.30
  6. Step 6: Final answer
    x = 454,225.05

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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.