Finding the Fourth Proportional to 315,738.72, 473,199.84 and 236,229.12
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Solution
The fourth proportional to 315,738.72, 473,199.84 and 236,229.12 is: 354,038.24
Step by Step Solution
- Step 1: Write the proportion equation
315,738.72 : 473,199.84 = 236,229.12 : x - Step 2: Convert to fraction form
315,738.72/473,199.84 = 236,229.12/x - Step 3: Cross multiply
315,738.72x = 473,199.84 × 236,229.12 - Step 4: Simplify right side
315,738.72x = 111,783,581,787.34 - Step 5: Solve for x
x = 111,783,581,787.34/315,738.72 - Step 6: Final answer
x = 354,038.24
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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.