Finding the Fourth Proportional to 210,581.84, 290,602.26 and 115,088.52
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Solution
The fourth proportional to 210,581.84, 290,602.26 and 115,088.52 is: 158,821.79
Step by Step Solution
- Step 1: Write the proportion equation
210,581.84 : 290,602.26 = 115,088.52 : x - Step 2: Convert to fraction form
210,581.84/290,602.26 = 115,088.52/x - Step 3: Cross multiply
210,581.84x = 290,602.26 × 115,088.52 - Step 4: Simplify right side
210,581.84x = 33,444,984,012.06 - Step 5: Solve for x
x = 33,444,984,012.06/210,581.84 - Step 6: Final answer
x = 158,821.79
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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.