Finding the Fourth Proportional to 299,486.53, 413,279.58 and 163,526.20
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Solution
The fourth proportional to 299,486.53, 413,279.58 and 163,526.20 is: 225,659.70
Step by Step Solution
- Step 1: Write the proportion equation
299,486.53 : 413,279.58 = 163,526.20 : x - Step 2: Convert to fraction form
299,486.53/413,279.58 = 163,526.20/x - Step 3: Cross multiply
299,486.53x = 413,279.58 × 163,526.20 - Step 4: Simplify right side
299,486.53x = 67,582,039,255.00 - Step 5: Solve for x
x = 67,582,039,255.00/299,486.53 - Step 6: Final answer
x = 225,659.70
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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.