Finding the Fourth Proportional to 188,750.97, 260,487.55 and 108,183.70
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Solution
The fourth proportional to 188,750.97, 260,487.55 and 108,183.70 is: 149,299.93
Step by Step Solution
- Step 1: Write the proportion equation
188,750.97 : 260,487.55 = 108,183.70 : x - Step 2: Convert to fraction form
188,750.97/260,487.55 = 108,183.70/x - Step 3: Cross multiply
188,750.97x = 260,487.55 × 108,183.70 - Step 4: Simplify right side
188,750.97x = 28,180,506,041.26 - Step 5: Solve for x
x = 28,180,506,041.26/188,750.97 - Step 6: Final answer
x = 149,299.93
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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.