Finding the Fourth Proportional to 352,661.21, 528,825.05 and 136,621.13
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Solution
The fourth proportional to 352,661.21, 528,825.05 and 136,621.13 is: 204,867.09
Step by Step Solution
- Step 1: Write the proportion equation
352,661.21 : 528,825.05 = 136,621.13 : x - Step 2: Convert to fraction form
352,661.21/528,825.05 = 136,621.13/x - Step 3: Cross multiply
352,661.21x = 528,825.05 × 136,621.13 - Step 4: Simplify right side
352,661.21x = 72,248,675,903.31 - Step 5: Solve for x
x = 72,248,675,903.31/352,661.21 - Step 6: Final answer
x = 204,867.09
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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.