Finding the Fourth Proportional to 352,453.40, 528,680.10 and 115,803.80
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Solution
The fourth proportional to 352,453.40, 528,680.10 and 115,803.80 is: 173,705.70
Step by Step Solution
- Step 1: Write the proportion equation
352,453.40 : 528,680.10 = 115,803.80 : x - Step 2: Convert to fraction form
352,453.40/528,680.10 = 115,803.80/x - Step 3: Cross multiply
352,453.40x = 528,680.10 × 115,803.80 - Step 4: Simplify right side
352,453.40x = 61,223,164,564.38 - Step 5: Solve for x
x = 61,223,164,564.38/352,453.40 - Step 6: Final answer
x = 173,705.70
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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.