Home / 245,725.08-339,205.21-165,199.29

Finding the Fourth Proportional to 245,725.08, 339,205.21 and 165,199.29

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Solution

The fourth proportional to 245,725.08, 339,205.21 and 165,199.29 is: 228,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,725.08 : 339,205.21 = 165,199.29 : x
  2. Step 2: Convert to fraction form
    245,725.08/339,205.21 = 165,199.29/x
  3. Step 3: Cross multiply
    245,725.08x = 339,205.21 × 165,199.29
  4. Step 4: Simplify right side
    245,725.08x = 56,036,459,856.30
  5. Step 5: Solve for x
    x = 56,036,459,856.30/245,725.08
  6. Step 6: Final answer
    x = 228,045.34

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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.