Home / 330,055.10-496,139.70-306,654.20

Finding the Fourth Proportional to 330,055.10, 496,139.70 and 306,654.20

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Solution

The fourth proportional to 330,055.10, 496,139.70 and 306,654.20 is: 460,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,055.10 : 496,139.70 = 306,654.20 : x
  2. Step 2: Convert to fraction form
    330,055.10/496,139.70 = 306,654.20/x
  3. Step 3: Cross multiply
    330,055.10x = 496,139.70 × 306,654.20
  4. Step 4: Simplify right side
    330,055.10x = 152,143,322,791.74
  5. Step 5: Solve for x
    x = 152,143,322,791.74/330,055.10
  6. Step 6: Final answer
    x = 460,963.41

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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.