Finding the Fourth Proportional to 190,468.36, 262,873.11 and 117,894.53
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Solution
The fourth proportional to 190,468.36, 262,873.11 and 117,894.53 is: 162,711.02
Step by Step Solution
- Step 1: Write the proportion equation
190,468.36 : 262,873.11 = 117,894.53 : x - Step 2: Convert to fraction form
190,468.36/262,873.11 = 117,894.53/x - Step 3: Cross multiply
190,468.36x = 262,873.11 × 117,894.53 - Step 4: Simplify right side
190,468.36x = 30,991,301,753.09 - Step 5: Solve for x
x = 30,991,301,753.09/190,468.36 - Step 6: Final answer
x = 162,711.02
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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.