Home / 294,736.47-406,779.39-165,685.57

Finding the Fourth Proportional to 294,736.47, 406,779.39 and 165,685.57

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Solution

The fourth proportional to 294,736.47, 406,779.39 and 165,685.57 is: 228,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,736.47 : 406,779.39 = 165,685.57 : x
  2. Step 2: Convert to fraction form
    294,736.47/406,779.39 = 165,685.57/x
  3. Step 3: Cross multiply
    294,736.47x = 406,779.39 × 165,685.57
  4. Step 4: Simplify right side
    294,736.47x = 67,397,474,079.45
  5. Step 5: Solve for x
    x = 67,397,474,079.45/294,736.47
  6. Step 6: Final answer
    x = 228,670.29

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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.