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Finding the Fourth Proportional to 471,295.08, 650,379.94 and 256,430.12

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Solution

The fourth proportional to 471,295.08, 650,379.94 and 256,430.12 is: 353,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,295.08 : 650,379.94 = 256,430.12 : x
  2. Step 2: Convert to fraction form
    471,295.08/650,379.94 = 256,430.12/x
  3. Step 3: Cross multiply
    471,295.08x = 650,379.94 × 256,430.12
  4. Step 4: Simplify right side
    471,295.08x = 166,777,006,059.79
  5. Step 5: Solve for x
    x = 166,777,006,059.79/471,295.08
  6. Step 6: Final answer
    x = 353,869.61

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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.