Finding the Fourth Proportional to 147,358.62, 203,379.36 and 86,944.08
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Solution
The fourth proportional to 147,358.62, 203,379.36 and 86,944.08 is: 119,997.26
Step by Step Solution
- Step 1: Write the proportion equation
147,358.62 : 203,379.36 = 86,944.08 : x - Step 2: Convert to fraction form
147,358.62/203,379.36 = 86,944.08/x - Step 3: Cross multiply
147,358.62x = 203,379.36 × 86,944.08 - Step 4: Simplify right side
147,358.62x = 17,682,631,346.19 - Step 5: Solve for x
x = 17,682,631,346.19/147,358.62 - Step 6: Final answer
x = 119,997.26
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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.