Finding the Fourth Proportional to 298,075.99, 411,347.55 and 162,111.19
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Solution
The fourth proportional to 298,075.99, 411,347.55 and 162,111.19 is: 223,714.90
Step by Step Solution
- Step 1: Write the proportion equation
298,075.99 : 411,347.55 = 162,111.19 : x - Step 2: Convert to fraction form
298,075.99/411,347.55 = 162,111.19/x - Step 3: Cross multiply
298,075.99x = 411,347.55 × 162,111.19 - Step 4: Simplify right side
298,075.99x = 66,684,040,834.08 - Step 5: Solve for x
x = 66,684,040,834.08/298,075.99 - Step 6: Final answer
x = 223,714.90
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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.