Finding the Fourth Proportional to 253,513.79, 349,825.29 and 151,518.99
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Solution
The fourth proportional to 253,513.79, 349,825.29 and 151,518.99 is: 209,082.02
Step by Step Solution
- Step 1: Write the proportion equation
253,513.79 : 349,825.29 = 151,518.99 : x - Step 2: Convert to fraction form
253,513.79/349,825.29 = 151,518.99/x - Step 3: Cross multiply
253,513.79x = 349,825.29 × 151,518.99 - Step 4: Simplify right side
253,513.79x = 53,005,174,617.26 - Step 5: Solve for x
x = 53,005,174,617.26/253,513.79 - Step 6: Final answer
x = 209,082.02
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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.