Finding the Fourth Proportional to 253,512.79, 349,823.91 and 151,517.99
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Solution
The fourth proportional to 253,512.79, 349,823.91 and 151,517.99 is: 209,080.65
Step by Step Solution
- Step 1: Write the proportion equation
253,512.79 : 349,823.91 = 151,517.99 : x - Step 2: Convert to fraction form
253,512.79/349,823.91 = 151,517.99/x - Step 3: Cross multiply
253,512.79x = 349,823.91 × 151,517.99 - Step 4: Simplify right side
253,512.79x = 53,004,617,139.89 - Step 5: Solve for x
x = 53,004,617,139.89/253,512.79 - Step 6: Final answer
x = 209,080.65
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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.