Finding the Fourth Proportional to 137,952.99, 206,927.43 and 38,110.98
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Solution
The fourth proportional to 137,952.99, 206,927.43 and 38,110.98 is: 57,165.90
Step by Step Solution
- Step 1: Write the proportion equation
137,952.99 : 206,927.43 = 38,110.98 : x - Step 2: Convert to fraction form
137,952.99/206,927.43 = 38,110.98/x - Step 3: Cross multiply
137,952.99x = 206,927.43 × 38,110.98 - Step 4: Simplify right side
137,952.99x = 7,886,207,146.18 - Step 5: Solve for x
x = 7,886,207,146.18/137,952.99 - Step 6: Final answer
x = 57,165.90
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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.