Finding the Fourth Proportional to 163,427.15, 225,464.62 and 94,503.88
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Solution
The fourth proportional to 163,427.15, 225,464.62 and 94,503.88 is: 130,377.85
Step by Step Solution
- Step 1: Write the proportion equation
163,427.15 : 225,464.62 = 94,503.88 : x - Step 2: Convert to fraction form
163,427.15/225,464.62 = 94,503.88/x - Step 3: Cross multiply
163,427.15x = 225,464.62 × 94,503.88 - Step 4: Simplify right side
163,427.15x = 21,307,280,769.21 - Step 5: Solve for x
x = 21,307,280,769.21/163,427.15 - Step 6: Final answer
x = 130,377.85
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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.