Home / 248,727.20-373,090.80-80,247.20

Finding the Fourth Proportional to 248,727.20, 373,090.80 and 80,247.20

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Solution

The fourth proportional to 248,727.20, 373,090.80 and 80,247.20 is: 120,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,727.20 : 373,090.80 = 80,247.20 : x
  2. Step 2: Convert to fraction form
    248,727.20/373,090.80 = 80,247.20/x
  3. Step 3: Cross multiply
    248,727.20x = 373,090.80 × 80,247.20
  4. Step 4: Simplify right side
    248,727.20x = 29,939,492,045.76
  5. Step 5: Solve for x
    x = 29,939,492,045.76/248,727.20
  6. Step 6: Final answer
    x = 120,370.80

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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.