Finding the Fourth Proportional to 284,374.80, 426,234.12 and 106,768.50
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Solution
The fourth proportional to 284,374.80, 426,234.12 and 106,768.50 is: 160,029.57
Step by Step Solution
- Step 1: Write the proportion equation
284,374.80 : 426,234.12 = 106,768.50 : x - Step 2: Convert to fraction form
284,374.80/426,234.12 = 106,768.50/x - Step 3: Cross multiply
284,374.80x = 426,234.12 × 106,768.50 - Step 4: Simplify right side
284,374.80x = 45,508,377,641.22 - Step 5: Solve for x
x = 45,508,377,641.22/284,374.80 - Step 6: Final answer
x = 160,029.57
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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.