Finding the Fourth Proportional to 165,747.70, 248,838.36 and 98,402.68
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Solution
The fourth proportional to 165,747.70, 248,838.36 and 98,402.68 is: 147,732.74
Step by Step Solution
- Step 1: Write the proportion equation
165,747.70 : 248,838.36 = 98,402.68 : x - Step 2: Convert to fraction form
165,747.70/248,838.36 = 98,402.68/x - Step 3: Cross multiply
165,747.70x = 248,838.36 × 98,402.68 - Step 4: Simplify right side
165,747.70x = 24,486,361,510.80 - Step 5: Solve for x
x = 24,486,361,510.80/165,747.70 - Step 6: Final answer
x = 147,732.74
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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.