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Finding the Fourth Proportional to 461,327.30, 692,100.30 and 236,722.40

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Solution

The fourth proportional to 461,327.30, 692,100.30 and 236,722.40 is: 355,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,327.30 : 692,100.30 = 236,722.40 : x
  2. Step 2: Convert to fraction form
    461,327.30/692,100.30 = 236,722.40/x
  3. Step 3: Cross multiply
    461,327.30x = 692,100.30 × 236,722.40
  4. Step 4: Simplify right side
    461,327.30x = 163,835,644,056.72
  5. Step 5: Solve for x
    x = 163,835,644,056.72/461,327.30
  6. Step 6: Final answer
    x = 355,139.71

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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.