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Finding the Fourth Proportional to 251,592.64, 377,376.66 and 93,808.78

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Solution

The fourth proportional to 251,592.64, 377,376.66 and 93,808.78 is: 140,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,592.64 : 377,376.66 = 93,808.78 : x
  2. Step 2: Convert to fraction form
    251,592.64/377,376.66 = 93,808.78/x
  3. Step 3: Cross multiply
    251,592.64x = 377,376.66 × 93,808.78
  4. Step 4: Simplify right side
    251,592.64x = 35,401,244,075.07
  5. Step 5: Solve for x
    x = 35,401,244,075.07/251,592.64
  6. Step 6: Final answer
    x = 140,708.58

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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.