Finding the Fourth Proportional to 299,727.74, 413,619.44 and 163,758.76
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Solution
The fourth proportional to 299,727.74, 413,619.44 and 163,758.76 is: 225,984.45
Step by Step Solution
- Step 1: Write the proportion equation
299,727.74 : 413,619.44 = 163,758.76 : x - Step 2: Convert to fraction form
299,727.74/413,619.44 = 163,758.76/x - Step 3: Cross multiply
299,727.74x = 413,619.44 × 163,758.76 - Step 4: Simplify right side
299,727.74x = 67,733,806,606.29 - Step 5: Solve for x
x = 67,733,806,606.29/299,727.74 - Step 6: Final answer
x = 225,984.45
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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.