Finding the Fourth Proportional to 188,857.98, 260,623.17 and 103,974.98
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Solution
The fourth proportional to 188,857.98, 260,623.17 and 103,974.98 is: 143,485.00
Step by Step Solution
- Step 1: Write the proportion equation
188,857.98 : 260,623.17 = 103,974.98 : x - Step 2: Convert to fraction form
188,857.98/260,623.17 = 103,974.98/x - Step 3: Cross multiply
188,857.98x = 260,623.17 × 103,974.98 - Step 4: Simplify right side
188,857.98x = 27,098,287,585.17 - Step 5: Solve for x
x = 27,098,287,585.17/188,857.98 - Step 6: Final answer
x = 143,485.00
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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.