Finding the Fourth Proportional to 299,727.29, 413,618.84 and 163,758.32
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Solution
The fourth proportional to 299,727.29, 413,618.84 and 163,758.32 is: 225,983.85
Step by Step Solution
- Step 1: Write the proportion equation
299,727.29 : 413,618.84 = 163,758.32 : x - Step 2: Convert to fraction form
299,727.29/413,618.84 = 163,758.32/x - Step 3: Cross multiply
299,727.29x = 413,618.84 × 163,758.32 - Step 4: Simplify right side
299,727.29x = 67,733,527,495.14 - Step 5: Solve for x
x = 67,733,527,495.14/299,727.29 - Step 6: Final answer
x = 225,983.85
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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.