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Finding the Fourth Proportional to 471,273.94, 650,360.85 and 256,415.62

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Solution

The fourth proportional to 471,273.94, 650,360.85 and 256,415.62 is: 353,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,273.94 : 650,360.85 = 256,415.62 : x
  2. Step 2: Convert to fraction form
    471,273.94/650,360.85 = 256,415.62/x
  3. Step 3: Cross multiply
    471,273.94x = 650,360.85 × 256,415.62
  4. Step 4: Simplify right side
    471,273.94x = 166,762,680,576.48
  5. Step 5: Solve for x
    x = 166,762,680,576.48/471,273.94
  6. Step 6: Final answer
    x = 353,855.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.