Finding the Fourth Proportional to 190,102.19, 262,387.74 and 113,666.54
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Solution
The fourth proportional to 190,102.19, 262,387.74 and 113,666.54 is: 156,887.76
Step by Step Solution
- Step 1: Write the proportion equation
190,102.19 : 262,387.74 = 113,666.54 : x - Step 2: Convert to fraction form
190,102.19/262,387.74 = 113,666.54/x - Step 3: Cross multiply
190,102.19x = 262,387.74 × 113,666.54 - Step 4: Simplify right side
190,102.19x = 29,824,706,544.22 - Step 5: Solve for x
x = 29,824,706,544.22/190,102.19 - Step 6: Final answer
x = 156,887.76
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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.