Finding the Fourth Proportional to 352,069.29, 528,202.35 and 115,578.05
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Solution
The fourth proportional to 352,069.29, 528,202.35 and 115,578.05 is: 173,399.38
Step by Step Solution
- Step 1: Write the proportion equation
352,069.29 : 528,202.35 = 115,578.05 : x - Step 2: Convert to fraction form
352,069.29/528,202.35 = 115,578.05/x - Step 3: Cross multiply
352,069.29x = 528,202.35 × 115,578.05 - Step 4: Simplify right side
352,069.29x = 61,048,594,977.41 - Step 5: Solve for x
x = 61,048,594,977.41/352,069.29 - Step 6: Final answer
x = 173,399.38
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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.