Finding the Fourth Proportional to 188,497.92, 260,125.60 and 103,614.08
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Solution
The fourth proportional to 188,497.92, 260,125.60 and 103,614.08 is: 142,986.59
Step by Step Solution
- Step 1: Write the proportion equation
188,497.92 : 260,125.60 = 103,614.08 : x - Step 2: Convert to fraction form
188,497.92/260,125.60 = 103,614.08/x - Step 3: Cross multiply
188,497.92x = 260,125.60 × 103,614.08 - Step 4: Simplify right side
188,497.92x = 26,952,674,728.45 - Step 5: Solve for x
x = 26,952,674,728.45/188,497.92 - Step 6: Final answer
x = 142,986.59
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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.