Finding the Fourth Proportional to 92,857.97, 139,207.01 and 39,501.09
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Solution
The fourth proportional to 92,857.97, 139,207.01 and 39,501.09 is: 59,217.63
Step by Step Solution
- Step 1: Write the proportion equation
92,857.97 : 139,207.01 = 39,501.09 : x - Step 2: Convert to fraction form
92,857.97/139,207.01 = 39,501.09/x - Step 3: Cross multiply
92,857.97x = 139,207.01 × 39,501.09 - Step 4: Simplify right side
92,857.97x = 5,498,828,630.64 - Step 5: Solve for x
x = 5,498,828,630.64/92,857.97 - Step 6: Final answer
x = 59,217.63
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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.