Finding the Fourth Proportional to 352,128.80, 528,193.20 and 174,663.20
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Solution
The fourth proportional to 352,128.80, 528,193.20 and 174,663.20 is: 261,994.80
Step by Step Solution
- Step 1: Write the proportion equation
352,128.80 : 528,193.20 = 174,663.20 : x - Step 2: Convert to fraction form
352,128.80/528,193.20 = 174,663.20/x - Step 3: Cross multiply
352,128.80x = 528,193.20 × 174,663.20 - Step 4: Simplify right side
352,128.80x = 92,255,914,530.24 - Step 5: Solve for x
x = 92,255,914,530.24/352,128.80 - Step 6: Final answer
x = 261,994.80
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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.