Home / 330,779.37-496,195.38-103,047.06

Finding the Fourth Proportional to 330,779.37, 496,195.38 and 103,047.06

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Solution

The fourth proportional to 330,779.37, 496,195.38 and 103,047.06 is: 154,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,779.37 : 496,195.38 = 103,047.06 : x
  2. Step 2: Convert to fraction form
    330,779.37/496,195.38 = 103,047.06/x
  3. Step 3: Cross multiply
    330,779.37x = 496,195.38 × 103,047.06
  4. Step 4: Simplify right side
    330,779.37x = 51,131,475,094.58
  5. Step 5: Solve for x
    x = 51,131,475,094.58/330,779.37
  6. Step 6: Final answer
    x = 154,578.79

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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.