Finding the Fourth Proportional to 217,368.44, 299,911.69 and 125,465.23
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Solution
The fourth proportional to 217,368.44, 299,911.69 and 125,465.23 is: 173,109.26
Step by Step Solution
- Step 1: Write the proportion equation
217,368.44 : 299,911.69 = 125,465.23 : x - Step 2: Convert to fraction form
217,368.44/299,911.69 = 125,465.23/x - Step 3: Cross multiply
217,368.44x = 299,911.69 × 125,465.23 - Step 4: Simplify right side
217,368.44x = 37,628,489,165.54 - Step 5: Solve for x
x = 37,628,489,165.54/217,368.44 - Step 6: Final answer
x = 173,109.26
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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.