Finding the Fourth Proportional to 188,577.68, 260,237.19 and 103,694.75
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Solution
The fourth proportional to 188,577.68, 260,237.19 and 103,694.75 is: 143,098.75
Step by Step Solution
- Step 1: Write the proportion equation
188,577.68 : 260,237.19 = 103,694.75 : x - Step 2: Convert to fraction form
188,577.68/260,237.19 = 103,694.75/x - Step 3: Cross multiply
188,577.68x = 260,237.19 × 103,694.75 - Step 4: Simplify right side
188,577.68x = 26,985,229,056.57 - Step 5: Solve for x
x = 26,985,229,056.57/188,577.68 - Step 6: Final answer
x = 143,098.75
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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.