Finding the Fourth Proportional to 140,437.08, 210,611.79 and 46,920.96
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Solution
The fourth proportional to 140,437.08, 210,611.79 and 46,920.96 is: 70,366.80
Step by Step Solution
- Step 1: Write the proportion equation
140,437.08 : 210,611.79 = 46,920.96 : x - Step 2: Convert to fraction form
140,437.08/210,611.79 = 46,920.96/x - Step 3: Cross multiply
140,437.08x = 210,611.79 × 46,920.96 - Step 4: Simplify right side
140,437.08x = 9,882,107,374.12 - Step 5: Solve for x
x = 9,882,107,374.12/140,437.08 - Step 6: Final answer
x = 70,366.80
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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.