Home / 294,442.20-406,299.72-165,395.16

Finding the Fourth Proportional to 294,442.20, 406,299.72 and 165,395.16

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Solution

The fourth proportional to 294,442.20, 406,299.72 and 165,395.16 is: 228,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,442.20 : 406,299.72 = 165,395.16 : x
  2. Step 2: Convert to fraction form
    294,442.20/406,299.72 = 165,395.16/x
  3. Step 3: Cross multiply
    294,442.20x = 406,299.72 × 165,395.16
  4. Step 4: Simplify right side
    294,442.20x = 67,200,007,197.36
  5. Step 5: Solve for x
    x = 67,200,007,197.36/294,442.20
  6. Step 6: Final answer
    x = 228,228.18

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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.