Finding the Fourth Proportional to 374,734.97, 517,138.36 and 202,656.23
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Solution
The fourth proportional to 374,734.97, 517,138.36 and 202,656.23 is: 279,667.81
Step by Step Solution
- Step 1: Write the proportion equation
374,734.97 : 517,138.36 = 202,656.23 : x - Step 2: Convert to fraction form
374,734.97/517,138.36 = 202,656.23/x - Step 3: Cross multiply
374,734.97x = 517,138.36 × 202,656.23 - Step 4: Simplify right side
374,734.97x = 104,801,310,127.88 - Step 5: Solve for x
x = 104,801,310,127.88/374,734.97 - Step 6: Final answer
x = 279,667.81
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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.