Finding the Fourth Proportional to 151,547.07, 209,093.94 and 86,134.98
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Solution
The fourth proportional to 151,547.07, 209,093.94 and 86,134.98 is: 118,842.96
Step by Step Solution
- Step 1: Write the proportion equation
151,547.07 : 209,093.94 = 86,134.98 : x - Step 2: Convert to fraction form
151,547.07/209,093.94 = 86,134.98/x - Step 3: Cross multiply
151,547.07x = 209,093.94 × 86,134.98 - Step 4: Simplify right side
151,547.07x = 18,010,302,340.02 - Step 5: Solve for x
x = 18,010,302,340.02/151,547.07 - Step 6: Final answer
x = 118,842.96
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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.