Finding the Fourth Proportional to 157,363.38, 236,088.87 and 68,624.70
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Solution
The fourth proportional to 157,363.38, 236,088.87 and 68,624.70 is: 102,956.15
Step by Step Solution
- Step 1: Write the proportion equation
157,363.38 : 236,088.87 = 68,624.70 : x - Step 2: Convert to fraction form
157,363.38/236,088.87 = 68,624.70/x - Step 3: Cross multiply
157,363.38x = 236,088.87 × 68,624.70 - Step 4: Simplify right side
157,363.38x = 16,201,527,877.09 - Step 5: Solve for x
x = 16,201,527,877.09/157,363.38 - Step 6: Final answer
x = 102,956.15
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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.