Finding the Fourth Proportional to 275,895.93, 380,743.17 and 155,029.98
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Solution
The fourth proportional to 275,895.93, 380,743.17 and 155,029.98 is: 213,945.19
Step by Step Solution
- Step 1: Write the proportion equation
275,895.93 : 380,743.17 = 155,029.98 : x - Step 2: Convert to fraction form
275,895.93/380,743.17 = 155,029.98/x - Step 3: Cross multiply
275,895.93x = 380,743.17 × 155,029.98 - Step 4: Simplify right side
275,895.93x = 59,026,606,030.24 - Step 5: Solve for x
x = 59,026,606,030.24/275,895.93 - Step 6: Final answer
x = 213,945.19
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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.