Finding the Fourth Proportional to 247,775.19, 371,658.39 and 93,930.79
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Solution
The fourth proportional to 247,775.19, 371,658.39 and 93,930.79 is: 140,894.51
Step by Step Solution
- Step 1: Write the proportion equation
247,775.19 : 371,658.39 = 93,930.79 : x - Step 2: Convert to fraction form
247,775.19/371,658.39 = 93,930.79/x - Step 3: Cross multiply
247,775.19x = 371,658.39 × 93,930.79 - Step 4: Simplify right side
247,775.19x = 34,910,164,324.54 - Step 5: Solve for x
x = 34,910,164,324.54/247,775.19 - Step 6: Final answer
x = 140,894.51
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1.5x scale
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.