Finding the Fourth Proportional to 112,564.14, 155,331.99 and 61,566.68
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Solution
The fourth proportional to 112,564.14, 155,331.99 and 61,566.68 is: 84,958.44
Step by Step Solution
- Step 1: Write the proportion equation
112,564.14 : 155,331.99 = 61,566.68 : x - Step 2: Convert to fraction form
112,564.14/155,331.99 = 61,566.68/x - Step 3: Cross multiply
112,564.14x = 155,331.99 × 61,566.68 - Step 4: Simplify right side
112,564.14x = 9,563,274,145.43 - Step 5: Solve for x
x = 9,563,274,145.43/112,564.14 - Step 6: Final answer
x = 84,958.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.