Finding the Fourth Proportional to 188,487.68, 260,107.20 and 103,604.48
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Solution
The fourth proportional to 188,487.68, 260,107.20 and 103,604.48 is: 142,971.00
Step by Step Solution
- Step 1: Write the proportion equation
188,487.68 : 260,107.20 = 103,604.48 : x - Step 2: Convert to fraction form
188,487.68/260,107.20 = 103,604.48/x - Step 3: Cross multiply
188,487.68x = 260,107.20 × 103,604.48 - Step 4: Simplify right side
188,487.68x = 26,948,271,200.26 - Step 5: Solve for x
x = 26,948,271,200.26/188,487.68 - Step 6: Final answer
x = 142,971.00
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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.