Finding the Fourth Proportional to 214,724.39, 296,346.99 and 129,842.06
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Solution
The fourth proportional to 214,724.39, 296,346.99 and 129,842.06 is: 179,198.57
Step by Step Solution
- Step 1: Write the proportion equation
214,724.39 : 296,346.99 = 129,842.06 : x - Step 2: Convert to fraction form
214,724.39/296,346.99 = 129,842.06/x - Step 3: Cross multiply
214,724.39x = 296,346.99 × 129,842.06 - Step 4: Simplify right side
214,724.39x = 38,478,303,656.40 - Step 5: Solve for x
x = 38,478,303,656.40/214,724.39 - Step 6: Final answer
x = 179,198.57
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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.