Finding the Fourth Proportional to 105,114.05, 157,577.34 and 38,538.70
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Solution
The fourth proportional to 105,114.05, 157,577.34 and 38,538.70 is: 57,773.68
Step by Step Solution
- Step 1: Write the proportion equation
105,114.05 : 157,577.34 = 38,538.70 : x - Step 2: Convert to fraction form
105,114.05/157,577.34 = 38,538.70/x - Step 3: Cross multiply
105,114.05x = 157,577.34 × 38,538.70 - Step 4: Simplify right side
105,114.05x = 6,072,825,534.25 - Step 5: Solve for x
x = 6,072,825,534.25/105,114.05 - Step 6: Final answer
x = 57,773.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.