Finding the Fourth Proportional to 146,829.08, 202,589.28 and 86,402.36
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Solution
The fourth proportional to 146,829.08, 202,589.28 and 86,402.36 is: 119,214.75
Step by Step Solution
- Step 1: Write the proportion equation
146,829.08 : 202,589.28 = 86,402.36 : x - Step 2: Convert to fraction form
146,829.08/202,589.28 = 86,402.36/x - Step 3: Cross multiply
146,829.08x = 202,589.28 × 86,402.36 - Step 4: Simplify right side
146,829.08x = 17,504,191,902.70 - Step 5: Solve for x
x = 17,504,191,902.70/146,829.08 - Step 6: Final answer
x = 119,214.75
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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.