Finding the Fourth Proportional to 235,587.18, 325,131.36 and 138,791.94
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Solution
The fourth proportional to 235,587.18, 325,131.36 and 138,791.94 is: 191,545.28
Step by Step Solution
- Step 1: Write the proportion equation
235,587.18 : 325,131.36 = 138,791.94 : x - Step 2: Convert to fraction form
235,587.18/325,131.36 = 138,791.94/x - Step 3: Cross multiply
235,587.18x = 325,131.36 × 138,791.94 - Step 4: Simplify right side
235,587.18x = 45,125,612,209.24 - Step 5: Solve for x
x = 45,125,612,209.24/235,587.18 - Step 6: Final answer
x = 191,545.28
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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.