Finding the Fourth Proportional to 298,603.75, 412,073.19 and 164,467.75
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Solution
The fourth proportional to 298,603.75, 412,073.19 and 164,467.75 is: 226,965.50
Step by Step Solution
- Step 1: Write the proportion equation
298,603.75 : 412,073.19 = 164,467.75 : x - Step 2: Convert to fraction form
298,603.75/412,073.19 = 164,467.75/x - Step 3: Cross multiply
298,603.75x = 412,073.19 × 164,467.75 - Step 4: Simplify right side
298,603.75x = 67,772,750,394.62 - Step 5: Solve for x
x = 67,772,750,394.62/298,603.75 - Step 6: Final answer
x = 226,965.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.