Finding the Fourth Proportional to 113,274.36, 169,805.40 and 38,342.08
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Solution
The fourth proportional to 113,274.36, 169,805.40 and 38,342.08 is: 57,477.19
Step by Step Solution
- Step 1: Write the proportion equation
113,274.36 : 169,805.40 = 38,342.08 : x - Step 2: Convert to fraction form
113,274.36/169,805.40 = 38,342.08/x - Step 3: Cross multiply
113,274.36x = 169,805.40 × 38,342.08 - Step 4: Simplify right side
113,274.36x = 6,510,692,231.23 - Step 5: Solve for x
x = 6,510,692,231.23/113,274.36 - Step 6: Final answer
x = 57,477.19
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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.