Finding the Fourth Proportional to 253,149.05, 349,412.72 and 157,599.02
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Solution
The fourth proportional to 253,149.05, 349,412.72 and 157,599.02 is: 217,528.37
Step by Step Solution
- Step 1: Write the proportion equation
253,149.05 : 349,412.72 = 157,599.02 : x - Step 2: Convert to fraction form
253,149.05/349,412.72 = 157,599.02/x - Step 3: Cross multiply
253,149.05x = 349,412.72 × 157,599.02 - Step 4: Simplify right side
253,149.05x = 55,067,099,712.48 - Step 5: Solve for x
x = 55,067,099,712.48/253,149.05 - Step 6: Final answer
x = 217,528.37
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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.