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Finding the Fourth Proportional to 286,157.99, 395,004.06 and 245,709.29

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Solution

The fourth proportional to 286,157.99, 395,004.06 and 245,709.29 is: 339,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,157.99 : 395,004.06 = 245,709.29 : x
  2. Step 2: Convert to fraction form
    286,157.99/395,004.06 = 245,709.29/x
  3. Step 3: Cross multiply
    286,157.99x = 395,004.06 × 245,709.29
  4. Step 4: Simplify right side
    286,157.99x = 97,056,165,154.70
  5. Step 5: Solve for x
    x = 97,056,165,154.70/286,157.99
  6. Step 6: Final answer
    x = 339,169.87

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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.