Finding the Fourth Proportional to 352,659.21, 528,822.05 and 136,619.13
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Solution
The fourth proportional to 352,659.21, 528,822.05 and 136,619.13 is: 204,864.09
Step by Step Solution
- Step 1: Write the proportion equation
352,659.21 : 528,822.05 = 136,619.13 : x - Step 2: Convert to fraction form
352,659.21/528,822.05 = 136,619.13/x - Step 3: Cross multiply
352,659.21x = 528,822.05 × 136,619.13 - Step 4: Simplify right side
352,659.21x = 72,247,205,751.71 - Step 5: Solve for x
x = 72,247,205,751.71/352,659.21 - Step 6: Final answer
x = 204,864.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.