Finding the Fourth Proportional to 134,995.20, 202,490.07 and 35,153.19
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Solution
The fourth proportional to 134,995.20, 202,490.07 and 35,153.19 is: 52,729.07
Step by Step Solution
- Step 1: Write the proportion equation
134,995.20 : 202,490.07 = 35,153.19 : x - Step 2: Convert to fraction form
134,995.20/202,490.07 = 35,153.19/x - Step 3: Cross multiply
134,995.20x = 202,490.07 × 35,153.19 - Step 4: Simplify right side
134,995.20x = 7,118,171,903.82 - Step 5: Solve for x
x = 7,118,171,903.82/134,995.20 - Step 6: Final answer
x = 52,729.07
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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.