Finding the Fourth Proportional to 219,058.08, 302,160.96 and 143,611.44
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Solution
The fourth proportional to 219,058.08, 302,160.96 and 143,611.44 is: 198,092.54
Step by Step Solution
- Step 1: Write the proportion equation
219,058.08 : 302,160.96 = 143,611.44 : x - Step 2: Convert to fraction form
219,058.08/302,160.96 = 143,611.44/x - Step 3: Cross multiply
219,058.08x = 302,160.96 × 143,611.44 - Step 4: Simplify right side
219,058.08x = 43,393,770,577.38 - Step 5: Solve for x
x = 43,393,770,577.38/219,058.08 - Step 6: Final answer
x = 198,092.54
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1.5x scale
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.