Finding the Fourth Proportional to 165,768.20, 248,869.12 and 98,423.18
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Solution
The fourth proportional to 165,768.20, 248,869.12 and 98,423.18 is: 147,763.50
Step by Step Solution
- Step 1: Write the proportion equation
165,768.20 : 248,869.12 = 98,423.18 : x - Step 2: Convert to fraction form
165,768.20/248,869.12 = 98,423.18/x - Step 3: Cross multiply
165,768.20x = 248,869.12 × 98,423.18 - Step 4: Simplify right side
165,768.20x = 24,494,490,194.20 - Step 5: Solve for x
x = 24,494,490,194.20/165,768.20 - Step 6: Final answer
x = 147,763.50
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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.