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Finding the Fourth Proportional to 329,994.54, 494,603.55 and 152,125.83

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Solution

The fourth proportional to 329,994.54, 494,603.55 and 152,125.83 is: 228,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,994.54 : 494,603.55 = 152,125.83 : x
  2. Step 2: Convert to fraction form
    329,994.54/494,603.55 = 152,125.83/x
  3. Step 3: Cross multiply
    329,994.54x = 494,603.55 × 152,125.83
  4. Step 4: Simplify right side
    329,994.54x = 75,241,975,564.70
  5. Step 5: Solve for x
    x = 75,241,975,564.70/329,994.54
  6. Step 6: Final answer
    x = 228,009.76

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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.