Finding the Fourth Proportional to 146,670.24, 202,403.16 and 83,006.40
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Solution
The fourth proportional to 146,670.24, 202,403.16 and 83,006.40 is: 114,547.83
Step by Step Solution
- Step 1: Write the proportion equation
146,670.24 : 202,403.16 = 83,006.40 : x - Step 2: Convert to fraction form
146,670.24/202,403.16 = 83,006.40/x - Step 3: Cross multiply
146,670.24x = 202,403.16 × 83,006.40 - Step 4: Simplify right side
146,670.24x = 16,800,757,660.22 - Step 5: Solve for x
x = 16,800,757,660.22/146,670.24 - Step 6: Final answer
x = 114,547.83
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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.