Finding the Fourth Proportional to 74,964.08, 112,463.08 and 22,371.60
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Solution
The fourth proportional to 74,964.08, 112,463.08 and 22,371.60 is: 33,562.46
Step by Step Solution
- Step 1: Write the proportion equation
74,964.08 : 112,463.08 = 22,371.60 : x - Step 2: Convert to fraction form
74,964.08/112,463.08 = 22,371.60/x - Step 3: Cross multiply
74,964.08x = 112,463.08 × 22,371.60 - Step 4: Simplify right side
74,964.08x = 2,515,979,040.53 - Step 5: Solve for x
x = 2,515,979,040.53/74,964.08 - Step 6: Final answer
x = 33,562.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.