Finding the Fourth Proportional to 134,849.80, 202,274.70 and 35,009.20
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Solution
The fourth proportional to 134,849.80, 202,274.70 and 35,009.20 is: 52,513.80
Step by Step Solution
- Step 1: Write the proportion equation
134,849.80 : 202,274.70 = 35,009.20 : x - Step 2: Convert to fraction form
134,849.80/202,274.70 = 35,009.20/x - Step 3: Cross multiply
134,849.80x = 202,274.70 × 35,009.20 - Step 4: Simplify right side
134,849.80x = 7,081,475,427.24 - Step 5: Solve for x
x = 7,081,475,427.24/134,849.80 - Step 6: Final answer
x = 52,513.80
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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.