Finding the Fourth Proportional to 186,509.62, 279,847.14 and 97,742.05
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Solution
The fourth proportional to 186,509.62, 279,847.14 and 97,742.05 is: 146,656.42
Step by Step Solution
- Step 1: Write the proportion equation
186,509.62 : 279,847.14 = 97,742.05 : x - Step 2: Convert to fraction form
186,509.62/279,847.14 = 97,742.05/x - Step 3: Cross multiply
186,509.62x = 279,847.14 × 97,742.05 - Step 4: Simplify right side
186,509.62x = 27,352,833,150.24 - Step 5: Solve for x
x = 27,352,833,150.24/186,509.62 - Step 6: Final answer
x = 146,656.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.