Finding the Fourth Proportional to 210,502.03, 290,489.41 and 115,006.68
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Solution
The fourth proportional to 210,502.03, 290,489.41 and 115,006.68 is: 158,707.37
Step by Step Solution
- Step 1: Write the proportion equation
210,502.03 : 290,489.41 = 115,006.68 : x - Step 2: Convert to fraction form
210,502.03/290,489.41 = 115,006.68/x - Step 3: Cross multiply
210,502.03x = 290,489.41 × 115,006.68 - Step 4: Simplify right side
210,502.03x = 33,408,222,619.26 - Step 5: Solve for x
x = 33,408,222,619.26/210,502.03 - Step 6: Final answer
x = 158,707.37
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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.