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Finding the Fourth Proportional to 460,910.16, 636,054.12 and 256,958.64

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Solution

The fourth proportional to 460,910.16, 636,054.12 and 256,958.64 is: 354,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,910.16 : 636,054.12 = 256,958.64 : x
  2. Step 2: Convert to fraction form
    460,910.16/636,054.12 = 256,958.64/x
  3. Step 3: Cross multiply
    460,910.16x = 636,054.12 × 256,958.64
  4. Step 4: Simplify right side
    460,910.16x = 163,439,601,641.60
  5. Step 5: Solve for x
    x = 163,439,601,641.60/460,910.16
  6. Step 6: Final answer
    x = 354,601.86

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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.