Finding the Fourth Proportional to 136,801.80, 205,201.80 and 36,971.96
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Solution
The fourth proportional to 136,801.80, 205,201.80 and 36,971.96 is: 55,457.70
Step by Step Solution
- Step 1: Write the proportion equation
136,801.80 : 205,201.80 = 36,971.96 : x - Step 2: Convert to fraction form
136,801.80/205,201.80 = 36,971.96/x - Step 3: Cross multiply
136,801.80x = 205,201.80 × 36,971.96 - Step 4: Simplify right side
136,801.80x = 7,586,712,741.53 - Step 5: Solve for x
x = 7,586,712,741.53/136,801.80 - Step 6: Final answer
x = 55,457.70
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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.