Finding the Fourth Proportional to 285,226.04, 393,699.49 and 164,447.96
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Solution
The fourth proportional to 285,226.04, 393,699.49 and 164,447.96 is: 226,988.65
Step by Step Solution
- Step 1: Write the proportion equation
285,226.04 : 393,699.49 = 164,447.96 : x - Step 2: Convert to fraction form
285,226.04/393,699.49 = 164,447.96/x - Step 3: Cross multiply
285,226.04x = 393,699.49 × 164,447.96 - Step 4: Simplify right side
285,226.04x = 64,743,075,603.92 - Step 5: Solve for x
x = 64,743,075,603.92/285,226.04 - Step 6: Final answer
x = 226,988.65
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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.