Finding the Fourth Proportional to 297,097.68, 409,992.93 and 161,134.86
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Solution
The fourth proportional to 297,097.68, 409,992.93 and 161,134.86 is: 222,365.09
Step by Step Solution
- Step 1: Write the proportion equation
297,097.68 : 409,992.93 = 161,134.86 : x - Step 2: Convert to fraction form
297,097.68/409,992.93 = 161,134.86/x - Step 3: Cross multiply
297,097.68x = 409,992.93 × 161,134.86 - Step 4: Simplify right side
297,097.68x = 66,064,153,376.54 - Step 5: Solve for x
x = 66,064,153,376.54/297,097.68 - Step 6: Final answer
x = 222,365.09
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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.