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Finding the Fourth Proportional to 378,888.89, 567,880.74 and 176,211.50

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Solution

The fourth proportional to 378,888.89, 567,880.74 and 176,211.50 is: 264,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,888.89 : 567,880.74 = 176,211.50 : x
  2. Step 2: Convert to fraction form
    378,888.89/567,880.74 = 176,211.50/x
  3. Step 3: Cross multiply
    378,888.89x = 567,880.74 × 176,211.50
  4. Step 4: Simplify right side
    378,888.89x = 100,067,114,177.11
  5. Step 5: Solve for x
    x = 100,067,114,177.11/378,888.89
  6. Step 6: Final answer
    x = 264,106.76

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1.5x scale

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.