Finding the Fourth Proportional to 145,511.26, 218,266.98 and 40,331.14
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Solution
The fourth proportional to 145,511.26, 218,266.98 and 40,331.14 is: 60,496.73
Step by Step Solution
- Step 1: Write the proportion equation
145,511.26 : 218,266.98 = 40,331.14 : x - Step 2: Convert to fraction form
145,511.26/218,266.98 = 40,331.14/x - Step 3: Cross multiply
145,511.26x = 218,266.98 × 40,331.14 - Step 4: Simplify right side
145,511.26x = 8,802,956,127.76 - Step 5: Solve for x
x = 8,802,956,127.76/145,511.26 - Step 6: Final answer
x = 60,496.73
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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.