Finding the Fourth Proportional to 146,403.92, 202,037.64 and 79,335.92
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Solution
The fourth proportional to 146,403.92, 202,037.64 and 79,335.92 is: 109,483.69
Step by Step Solution
- Step 1: Write the proportion equation
146,403.92 : 202,037.64 = 79,335.92 : x - Step 2: Convert to fraction form
146,403.92/202,037.64 = 79,335.92/x - Step 3: Cross multiply
146,403.92x = 202,037.64 × 79,335.92 - Step 4: Simplify right side
146,403.92x = 16,028,842,044.03 - Step 5: Solve for x
x = 16,028,842,044.03/146,403.92 - Step 6: Final answer
x = 109,483.69
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1.5x scale
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.