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Finding the Fourth Proportional to 248,847.60, 373,271.40 and 147,808.20

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Solution

The fourth proportional to 248,847.60, 373,271.40 and 147,808.20 is: 221,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,847.60 : 373,271.40 = 147,808.20 : x
  2. Step 2: Convert to fraction form
    248,847.60/373,271.40 = 147,808.20/x
  3. Step 3: Cross multiply
    248,847.60x = 373,271.40 × 147,808.20
  4. Step 4: Simplify right side
    248,847.60x = 55,172,573,745.48
  5. Step 5: Solve for x
    x = 55,172,573,745.48/248,847.60
  6. Step 6: Final answer
    x = 221,712.30

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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.