Finding the Fourth Proportional to 205,030.99, 282,942.36 and 114,381.55
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Solution
The fourth proportional to 205,030.99, 282,942.36 and 114,381.55 is: 157,846.31
Step by Step Solution
- Step 1: Write the proportion equation
205,030.99 : 282,942.36 = 114,381.55 : x - Step 2: Convert to fraction form
205,030.99/282,942.36 = 114,381.55/x - Step 3: Cross multiply
205,030.99x = 282,942.36 × 114,381.55 - Step 4: Simplify right side
205,030.99x = 32,363,385,907.22 - Step 5: Solve for x
x = 32,363,385,907.22/205,030.99 - Step 6: Final answer
x = 157,846.31
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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.