Finding the Fourth Proportional to 159,790.94, 239,668.72 and 57,204.19
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Solution
The fourth proportional to 159,790.94, 239,668.72 and 57,204.19 is: 85,799.95
Step by Step Solution
- Step 1: Write the proportion equation
159,790.94 : 239,668.72 = 57,204.19 : x - Step 2: Convert to fraction form
159,790.94/239,668.72 = 57,204.19/x - Step 3: Cross multiply
159,790.94x = 239,668.72 × 57,204.19 - Step 4: Simplify right side
159,790.94x = 13,710,055,474.29 - Step 5: Solve for x
x = 13,710,055,474.29/159,790.94 - Step 6: Final answer
x = 85,799.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.