Finding the Fourth Proportional to 146,666.75, 202,400.12 and 79,598.75
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Solution
The fourth proportional to 146,666.75, 202,400.12 and 79,598.75 is: 109,846.28
Step by Step Solution
- Step 1: Write the proportion equation
146,666.75 : 202,400.12 = 79,598.75 : x - Step 2: Convert to fraction form
146,666.75/202,400.12 = 79,598.75/x - Step 3: Cross multiply
146,666.75x = 202,400.12 × 79,598.75 - Step 4: Simplify right side
146,666.75x = 16,110,796,153.86 - Step 5: Solve for x
x = 16,110,796,153.86/146,666.75 - Step 6: Final answer
x = 109,846.28
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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.