Finding the Fourth Proportional to 285,441.30, 427,580.64 and 135,226.26
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Solution
The fourth proportional to 285,441.30, 427,580.64 and 135,226.26 is: 202,564.00
Step by Step Solution
- Step 1: Write the proportion equation
285,441.30 : 427,580.64 = 135,226.26 : x - Step 2: Convert to fraction form
285,441.30/427,580.64 = 135,226.26/x - Step 3: Cross multiply
285,441.30x = 427,580.64 × 135,226.26 - Step 4: Simplify right side
285,441.30x = 57,820,130,795.61 - Step 5: Solve for x
x = 57,820,130,795.61/285,441.30 - Step 6: Final answer
x = 202,564.00
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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.