Finding the Fourth Proportional to 187,051.98, 258,404.94 and 161,857.74
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Solution
The fourth proportional to 187,051.98, 258,404.94 and 161,857.74 is: 223,600.09
Step by Step Solution
- Step 1: Write the proportion equation
187,051.98 : 258,404.94 = 161,857.74 : x - Step 2: Convert to fraction form
187,051.98/258,404.94 = 161,857.74/x - Step 3: Cross multiply
187,051.98x = 258,404.94 × 161,857.74 - Step 4: Simplify right side
187,051.98x = 41,824,839,593.24 - Step 5: Solve for x
x = 41,824,839,593.24/187,051.98 - Step 6: Final answer
x = 223,600.09
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1.5x scale
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.