Finding the Fourth Proportional to 214,708.24, 296,243.88 and 128,680.84
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Solution
The fourth proportional to 214,708.24, 296,243.88 and 128,680.84 is: 177,547.50
Step by Step Solution
- Step 1: Write the proportion equation
214,708.24 : 296,243.88 = 128,680.84 : x - Step 2: Convert to fraction form
214,708.24/296,243.88 = 128,680.84/x - Step 3: Cross multiply
214,708.24x = 296,243.88 × 128,680.84 - Step 4: Simplify right side
214,708.24x = 38,120,911,323.26 - Step 5: Solve for x
x = 38,120,911,323.26/214,708.24 - Step 6: Final answer
x = 177,547.50
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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.