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Finding the Fourth Proportional to 248,941.40, 372,720.90 and 242,029.40

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Solution

The fourth proportional to 248,941.40, 372,720.90 and 242,029.40 is: 362,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,941.40 : 372,720.90 = 242,029.40 : x
  2. Step 2: Convert to fraction form
    248,941.40/372,720.90 = 242,029.40/x
  3. Step 3: Cross multiply
    248,941.40x = 372,720.90 × 242,029.40
  4. Step 4: Simplify right side
    248,941.40x = 90,209,415,794.46
  5. Step 5: Solve for x
    x = 90,209,415,794.46/248,941.40
  6. Step 6: Final answer
    x = 362,372.09

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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.