Finding the Fourth Proportional to 171,051.70, 256,577.55 and 168,135.70
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Solution
The fourth proportional to 171,051.70, 256,577.55 and 168,135.70 is: 252,203.55
Step by Step Solution
- Step 1: Write the proportion equation
171,051.70 : 256,577.55 = 168,135.70 : x - Step 2: Convert to fraction form
171,051.70/256,577.55 = 168,135.70/x - Step 3: Cross multiply
171,051.70x = 256,577.55 × 168,135.70 - Step 4: Simplify right side
171,051.70x = 43,139,845,973.54 - Step 5: Solve for x
x = 43,139,845,973.54/171,051.70 - Step 6: Final answer
x = 252,203.55
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1.5x scale
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.