Finding the Fourth Proportional to 134,881.80, 202,322.70 and 82,393.80
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Solution
The fourth proportional to 134,881.80, 202,322.70 and 82,393.80 is: 123,590.70
Step by Step Solution
- Step 1: Write the proportion equation
134,881.80 : 202,322.70 = 82,393.80 : x - Step 2: Convert to fraction form
134,881.80/202,322.70 = 82,393.80/x - Step 3: Cross multiply
134,881.80x = 202,322.70 × 82,393.80 - Step 4: Simplify right side
134,881.80x = 16,670,136,079.26 - Step 5: Solve for x
x = 16,670,136,079.26/134,881.80 - Step 6: Final answer
x = 123,590.70
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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.