Finding the Fourth Proportional to 285,194.94, 393,611.19 and 164,313.18
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Solution
The fourth proportional to 285,194.94, 393,611.19 and 164,313.18 is: 226,776.49
Step by Step Solution
- Step 1: Write the proportion equation
285,194.94 : 393,611.19 = 164,313.18 : x - Step 2: Convert to fraction form
285,194.94/393,611.19 = 164,313.18/x - Step 3: Cross multiply
285,194.94x = 393,611.19 × 164,313.18 - Step 4: Simplify right side
285,194.94x = 64,675,506,312.48 - Step 5: Solve for x
x = 64,675,506,312.48/285,194.94 - Step 6: Final answer
x = 226,776.49
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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.