Finding the Fourth Proportional to 163,678.36, 225,860.19 and 92,056.88
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Solution
The fourth proportional to 163,678.36, 225,860.19 and 92,056.88 is: 127,029.53
Step by Step Solution
- Step 1: Write the proportion equation
163,678.36 : 225,860.19 = 92,056.88 : x - Step 2: Convert to fraction form
163,678.36/225,860.19 = 92,056.88/x - Step 3: Cross multiply
163,678.36x = 225,860.19 × 92,056.88 - Step 4: Simplify right side
163,678.36x = 20,791,984,407.61 - Step 5: Solve for x
x = 20,791,984,407.61/163,678.36 - Step 6: Final answer
x = 127,029.53
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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.