Finding the Fourth Proportional to 159,804.60, 220,530.99 and 88,186.69
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Solution
The fourth proportional to 159,804.60, 220,530.99 and 88,186.69 is: 121,697.99
Step by Step Solution
- Step 1: Write the proportion equation
159,804.60 : 220,530.99 = 88,186.69 : x - Step 2: Convert to fraction form
159,804.60/220,530.99 = 88,186.69/x - Step 3: Cross multiply
159,804.60x = 220,530.99 × 88,186.69 - Step 4: Simplify right side
159,804.60x = 19,447,898,050.52 - Step 5: Solve for x
x = 19,447,898,050.52/159,804.60 - Step 6: Final answer
x = 121,697.99
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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.