Finding the Fourth Proportional to 92,296.44, 138,385.52 and 38,973.98
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Solution
The fourth proportional to 92,296.44, 138,385.52 and 38,973.98 is: 58,435.99
Step by Step Solution
- Step 1: Write the proportion equation
92,296.44 : 138,385.52 = 38,973.98 : x - Step 2: Convert to fraction form
92,296.44/138,385.52 = 38,973.98/x - Step 3: Cross multiply
92,296.44x = 138,385.52 × 38,973.98 - Step 4: Simplify right side
92,296.44x = 5,393,433,601.97 - Step 5: Solve for x
x = 5,393,433,601.97/92,296.44 - Step 6: Final answer
x = 58,435.99
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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.