Finding the Fourth Proportional to 143,239.18, 213,807.33 and 132,683.26
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Solution
The fourth proportional to 143,239.18, 213,807.33 and 132,683.26 is: 198,050.94
Step by Step Solution
- Step 1: Write the proportion equation
143,239.18 : 213,807.33 = 132,683.26 : x - Step 2: Convert to fraction form
143,239.18/213,807.33 = 132,683.26/x - Step 3: Cross multiply
143,239.18x = 213,807.33 × 132,683.26 - Step 4: Simplify right side
143,239.18x = 28,368,653,556.30 - Step 5: Solve for x
x = 28,368,653,556.30/143,239.18 - Step 6: Final answer
x = 198,050.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.