Finding the Fourth Proportional to 203,502.67, 305,254.69 and 85,090.99
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Solution
The fourth proportional to 203,502.67, 305,254.69 and 85,090.99 is: 127,636.77
Step by Step Solution
- Step 1: Write the proportion equation
203,502.67 : 305,254.69 = 85,090.99 : x - Step 2: Convert to fraction form
203,502.67/305,254.69 = 85,090.99/x - Step 3: Cross multiply
203,502.67x = 305,254.69 × 85,090.99 - Step 4: Simplify right side
203,502.67x = 25,974,423,774.24 - Step 5: Solve for x
x = 25,974,423,774.24/203,502.67 - Step 6: Final answer
x = 127,636.77
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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.