Finding the Fourth Proportional to 155,241.96, 232,668.14 and 66,390.99
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Solution
The fourth proportional to 155,241.96, 232,668.14 and 66,390.99 is: 99,503.17
Step by Step Solution
- Step 1: Write the proportion equation
155,241.96 : 232,668.14 = 66,390.99 : x - Step 2: Convert to fraction form
155,241.96/232,668.14 = 66,390.99/x - Step 3: Cross multiply
155,241.96x = 232,668.14 × 66,390.99 - Step 4: Simplify right side
155,241.96x = 15,447,067,824.10 - Step 5: Solve for x
x = 15,447,067,824.10/155,241.96 - Step 6: Final answer
x = 99,503.17
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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.