Finding the Fourth Proportional to 163,431.84, 244,920.96 and 74,467.92
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Solution
The fourth proportional to 163,431.84, 244,920.96 and 74,467.92 is: 111,598.54
Step by Step Solution
- Step 1: Write the proportion equation
163,431.84 : 244,920.96 = 74,467.92 : x - Step 2: Convert to fraction form
163,431.84/244,920.96 = 74,467.92/x - Step 3: Cross multiply
163,431.84x = 244,920.96 × 74,467.92 - Step 4: Simplify right side
163,431.84x = 18,238,754,455.60 - Step 5: Solve for x
x = 18,238,754,455.60/163,431.84 - Step 6: Final answer
x = 111,598.54
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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.