Home / 248,421.90-372,195.45-203,807.10

Finding the Fourth Proportional to 248,421.90, 372,195.45 and 203,807.10

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Solution

The fourth proportional to 248,421.90, 372,195.45 and 203,807.10 is: 305,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,421.90 : 372,195.45 = 203,807.10 : x
  2. Step 2: Convert to fraction form
    248,421.90/372,195.45 = 203,807.10/x
  3. Step 3: Cross multiply
    248,421.90x = 372,195.45 × 203,807.10
  4. Step 4: Simplify right side
    248,421.90x = 75,856,075,297.70
  5. Step 5: Solve for x
    x = 75,856,075,297.70/248,421.90
  6. Step 6: Final answer
    x = 305,351.80

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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.