Finding the Fourth Proportional to 188,539.84, 260,181.48 and 103,655.08
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Solution
The fourth proportional to 188,539.84, 260,181.48 and 103,655.08 is: 143,042.09
Step by Step Solution
- Step 1: Write the proportion equation
188,539.84 : 260,181.48 = 103,655.08 : x - Step 2: Convert to fraction form
188,539.84/260,181.48 = 103,655.08/x - Step 3: Cross multiply
188,539.84x = 260,181.48 × 103,655.08 - Step 4: Simplify right side
188,539.84x = 26,969,132,123.92 - Step 5: Solve for x
x = 26,969,132,123.92/188,539.84 - Step 6: Final answer
x = 143,042.09
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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.