Finding the Fourth Proportional to 146,344.64, 201,955.68 and 79,276.64
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Solution
The fourth proportional to 146,344.64, 201,955.68 and 79,276.64 is: 109,401.80
Step by Step Solution
- Step 1: Write the proportion equation
146,344.64 : 201,955.68 = 79,276.64 : x - Step 2: Convert to fraction form
146,344.64/201,955.68 = 79,276.64/x - Step 3: Cross multiply
146,344.64x = 201,955.68 × 79,276.64 - Step 4: Simplify right side
146,344.64x = 16,010,367,739.32 - Step 5: Solve for x
x = 16,010,367,739.32/146,344.64 - Step 6: Final answer
x = 109,401.80
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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.