Finding the Fourth Proportional to 199,900.08, 275,877.81 and 113,862.69
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Solution
The fourth proportional to 199,900.08, 275,877.81 and 113,862.69 is: 157,139.45
Step by Step Solution
- Step 1: Write the proportion equation
199,900.08 : 275,877.81 = 113,862.69 : x - Step 2: Convert to fraction form
199,900.08/275,877.81 = 113,862.69/x - Step 3: Cross multiply
199,900.08x = 275,877.81 × 113,862.69 - Step 4: Simplify right side
199,900.08x = 31,412,189,557.91 - Step 5: Solve for x
x = 31,412,189,557.91/199,900.08 - Step 6: Final answer
x = 157,139.45
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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.