Finding the Fourth Proportional to 309,166.84, 426,627.97 and 173,177.79
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Solution
The fourth proportional to 309,166.84, 426,627.97 and 173,177.79 is: 238,972.88
Step by Step Solution
- Step 1: Write the proportion equation
309,166.84 : 426,627.97 = 173,177.79 : x - Step 2: Convert to fraction form
309,166.84/426,627.97 = 173,177.79/x - Step 3: Cross multiply
309,166.84x = 426,627.97 × 173,177.79 - Step 4: Simplify right side
309,166.84x = 73,882,488,996.79 - Step 5: Solve for x
x = 73,882,488,996.79/309,166.84 - Step 6: Final answer
x = 238,972.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.