Finding the Fourth Proportional to 253,029.86, 349,170.72 and 151,071.92
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Solution
The fourth proportional to 253,029.86, 349,170.72 and 151,071.92 is: 208,472.99
Step by Step Solution
- Step 1: Write the proportion equation
253,029.86 : 349,170.72 = 151,071.92 : x - Step 2: Convert to fraction form
253,029.86/349,170.72 = 151,071.92/x - Step 3: Cross multiply
253,029.86x = 349,170.72 × 151,071.92 - Step 4: Simplify right side
253,029.86x = 52,749,891,078.18 - Step 5: Solve for x
x = 52,749,891,078.18/253,029.86 - Step 6: Final answer
x = 208,472.99
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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.