Finding the Fourth Proportional to 301,032.68, 415,425.12 and 163,212.08
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Solution
The fourth proportional to 301,032.68, 415,425.12 and 163,212.08 is: 225,232.68
Step by Step Solution
- Step 1: Write the proportion equation
301,032.68 : 415,425.12 = 163,212.08 : x - Step 2: Convert to fraction form
301,032.68/415,425.12 = 163,212.08/x - Step 3: Cross multiply
301,032.68x = 415,425.12 × 163,212.08 - Step 4: Simplify right side
301,032.68x = 67,802,397,919.45 - Step 5: Solve for x
x = 67,802,397,919.45/301,032.68 - Step 6: Final answer
x = 225,232.68
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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.