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Finding the Fourth Proportional to 286,519.54, 429,903.51 and 109,076.98

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Solution

The fourth proportional to 286,519.54, 429,903.51 and 109,076.98 is: 163,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,519.54 : 429,903.51 = 109,076.98 : x
  2. Step 2: Convert to fraction form
    286,519.54/429,903.51 = 109,076.98/x
  3. Step 3: Cross multiply
    286,519.54x = 429,903.51 × 109,076.98
  4. Step 4: Simplify right side
    286,519.54x = 46,892,576,562.20
  5. Step 5: Solve for x
    x = 46,892,576,562.20/286,519.54
  6. Step 6: Final answer
    x = 163,662.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.