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Finding the Fourth Proportional to 368,254.41, 552,381.66 and 115,573.89

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Solution

The fourth proportional to 368,254.41, 552,381.66 and 115,573.89 is: 173,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,254.41 : 552,381.66 = 115,573.89 : x
  2. Step 2: Convert to fraction form
    368,254.41/552,381.66 = 115,573.89/x
  3. Step 3: Cross multiply
    368,254.41x = 552,381.66 × 115,573.89
  4. Step 4: Simplify right side
    368,254.41x = 63,840,897,210.86
  5. Step 5: Solve for x
    x = 63,840,897,210.86/368,254.41
  6. Step 6: Final answer
    x = 173,360.85

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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.