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Finding the Fourth Proportional to 294,415.10, 441,768.45 and 168,152.30

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Solution

The fourth proportional to 294,415.10, 441,768.45 and 168,152.30 is: 252,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,415.10 : 441,768.45 = 168,152.30 : x
  2. Step 2: Convert to fraction form
    294,415.10/441,768.45 = 168,152.30/x
  3. Step 3: Cross multiply
    294,415.10x = 441,768.45 × 168,152.30
  4. Step 4: Simplify right side
    294,415.10x = 74,284,380,934.94
  5. Step 5: Solve for x
    x = 74,284,380,934.94/294,415.10
  6. Step 6: Final answer
    x = 252,311.72

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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.