Finding the Fourth Proportional to 199,515.98, 299,276.60 and 66,396.26
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Solution
The fourth proportional to 199,515.98, 299,276.60 and 66,396.26 is: 99,595.26
Step by Step Solution
- Step 1: Write the proportion equation
199,515.98 : 299,276.60 = 66,396.26 : x - Step 2: Convert to fraction form
199,515.98/299,276.60 = 66,396.26/x - Step 3: Cross multiply
199,515.98x = 299,276.60 × 66,396.26 - Step 4: Simplify right side
199,515.98x = 19,870,845,117.15 - Step 5: Solve for x
x = 19,870,845,117.15/199,515.98 - Step 6: Final answer
x = 99,595.26
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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.