Home / 253,675.02-380,516.25-120,568.86

Finding the Fourth Proportional to 253,675.02, 380,516.25 and 120,568.86

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Solution

The fourth proportional to 253,675.02, 380,516.25 and 120,568.86 is: 180,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,675.02 : 380,516.25 = 120,568.86 : x
  2. Step 2: Convert to fraction form
    253,675.02/380,516.25 = 120,568.86/x
  3. Step 3: Cross multiply
    253,675.02x = 380,516.25 × 120,568.86
  4. Step 4: Simplify right side
    253,675.02x = 45,878,410,473.98
  5. Step 5: Solve for x
    x = 45,878,410,473.98/253,675.02
  6. Step 6: Final answer
    x = 180,855.06

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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.