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Finding the Fourth Proportional to 264,335.54, 364,783.41 and 143,476.86

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Solution

The fourth proportional to 264,335.54, 364,783.41 and 143,476.86 is: 197,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,335.54 : 364,783.41 = 143,476.86 : x
  2. Step 2: Convert to fraction form
    264,335.54/364,783.41 = 143,476.86/x
  3. Step 3: Cross multiply
    264,335.54x = 364,783.41 × 143,476.86
  4. Step 4: Simplify right side
    264,335.54x = 52,337,978,246.89
  5. Step 5: Solve for x
    x = 52,337,978,246.89/264,335.54
  6. Step 6: Final answer
    x = 197,998.27

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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.