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Finding the Fourth Proportional to 384,744.90, 577,117.35 and 243,027.30

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Solution

The fourth proportional to 384,744.90, 577,117.35 and 243,027.30 is: 364,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,744.90 : 577,117.35 = 243,027.30 : x
  2. Step 2: Convert to fraction form
    384,744.90/577,117.35 = 243,027.30/x
  3. Step 3: Cross multiply
    384,744.90x = 577,117.35 × 243,027.30
  4. Step 4: Simplify right side
    384,744.90x = 140,255,271,353.66
  5. Step 5: Solve for x
    x = 140,255,271,353.66/384,744.90
  6. Step 6: Final answer
    x = 364,540.95

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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.