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Finding the Fourth Proportional to 368,189.60, 552,182.08 and 233,165.76

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Solution

The fourth proportional to 368,189.60, 552,182.08 and 233,165.76 is: 349,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,189.60 : 552,182.08 = 233,165.76 : x
  2. Step 2: Convert to fraction form
    368,189.60/552,182.08 = 233,165.76/x
  3. Step 3: Cross multiply
    368,189.60x = 552,182.08 × 233,165.76
  4. Step 4: Simplify right side
    368,189.60x = 128,749,954,341.58
  5. Step 5: Solve for x
    x = 128,749,954,341.58/368,189.60
  6. Step 6: Final answer
    x = 349,683.84

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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.