Finding the Fourth Proportional to 163,419.84, 244,902.96 and 74,455.92
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Solution
The fourth proportional to 163,419.84, 244,902.96 and 74,455.92 is: 111,580.55
Step by Step Solution
- Step 1: Write the proportion equation
163,419.84 : 244,902.96 = 74,455.92 : x - Step 2: Convert to fraction form
163,419.84/244,902.96 = 74,455.92/x - Step 3: Cross multiply
163,419.84x = 244,902.96 × 74,455.92 - Step 4: Simplify right side
163,419.84x = 18,234,475,197.52 - Step 5: Solve for x
x = 18,234,475,197.52/163,419.84 - Step 6: Final answer
x = 111,580.55
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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.