Finding the Fourth Proportional to 299,491.53, 413,295.14 and 163,525.05
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Solution
The fourth proportional to 299,491.53, 413,295.14 and 163,525.05 is: 225,662.83
Step by Step Solution
- Step 1: Write the proportion equation
299,491.53 : 413,295.14 = 163,525.05 : x - Step 2: Convert to fraction form
299,491.53/413,295.14 = 163,525.05/x - Step 3: Cross multiply
299,491.53x = 413,295.14 × 163,525.05 - Step 4: Simplify right side
299,491.53x = 67,584,107,615.63 - Step 5: Solve for x
x = 67,584,107,615.63/299,491.53 - Step 6: Final answer
x = 225,662.83
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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.