Finding the Fourth Proportional to 536,090.67, 804,163.68 and 136,734.93
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Solution
The fourth proportional to 536,090.67, 804,163.68 and 136,734.93 is: 205,109.45
Step by Step Solution
- Step 1: Write the proportion equation
536,090.67 : 804,163.68 = 136,734.93 : x - Step 2: Convert to fraction form
536,090.67/804,163.68 = 136,734.93/x - Step 3: Cross multiply
536,090.67x = 804,163.68 × 136,734.93 - Step 4: Simplify right side
536,090.67x = 109,957,264,493.34 - Step 5: Solve for x
x = 109,957,264,493.34/536,090.67 - Step 6: Final answer
x = 205,109.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.