Finding the Fourth Proportional to 299,630.58, 413,487.45 and 163,664.48
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Solution
The fourth proportional to 299,630.58, 413,487.45 and 163,664.48 is: 225,855.48
Step by Step Solution
- Step 1: Write the proportion equation
299,630.58 : 413,487.45 = 163,664.48 : x - Step 2: Convert to fraction form
299,630.58/413,487.45 = 163,664.48/x - Step 3: Cross multiply
299,630.58x = 413,487.45 × 163,664.48 - Step 4: Simplify right side
299,630.58x = 67,673,208,490.78 - Step 5: Solve for x
x = 67,673,208,490.78/299,630.58 - Step 6: Final answer
x = 225,855.48
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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.