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Finding the Fourth Proportional to 335,255.73, 462,003.25 and 277,978.20

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Solution

The fourth proportional to 335,255.73, 462,003.25 and 277,978.20 is: 383,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,255.73 : 462,003.25 = 277,978.20 : x
  2. Step 2: Convert to fraction form
    335,255.73/462,003.25 = 277,978.20/x
  3. Step 3: Cross multiply
    335,255.73x = 462,003.25 × 277,978.20
  4. Step 4: Simplify right side
    335,255.73x = 128,426,831,829.15
  5. Step 5: Solve for x
    x = 128,426,831,829.15/335,255.73
  6. Step 6: Final answer
    x = 383,071.25

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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.