Finding the Fourth Proportional to 253,021.02, 349,158.73 and 149,722.17
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Solution
The fourth proportional to 253,021.02, 349,158.73 and 149,722.17 is: 206,610.52
Step by Step Solution
- Step 1: Write the proportion equation
253,021.02 : 349,158.73 = 149,722.17 : x - Step 2: Convert to fraction form
253,021.02/349,158.73 = 149,722.17/x - Step 3: Cross multiply
253,021.02x = 349,158.73 × 149,722.17 - Step 4: Simplify right side
253,021.02x = 52,276,802,870.05 - Step 5: Solve for x
x = 52,276,802,870.05/253,021.02 - Step 6: Final answer
x = 206,610.52
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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.