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Finding the Fourth Proportional to 301,305.51, 415,787.54 and 165,336.03

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Solution

The fourth proportional to 301,305.51, 415,787.54 and 165,336.03 is: 228,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,305.51 : 415,787.54 = 165,336.03 : x
  2. Step 2: Convert to fraction form
    301,305.51/415,787.54 = 165,336.03/x
  3. Step 3: Cross multiply
    301,305.51x = 415,787.54 × 165,336.03
  4. Step 4: Simplify right side
    301,305.51x = 68,744,660,360.39
  5. Step 5: Solve for x
    x = 68,744,660,360.39/301,305.51
  6. Step 6: Final answer
    x = 228,156.00

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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.