Finding the Fourth Proportional to 315,586.26, 473,277.15 and 105,167.70
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Solution
The fourth proportional to 315,586.26, 473,277.15 and 105,167.70 is: 157,717.48
Step by Step Solution
- Step 1: Write the proportion equation
315,586.26 : 473,277.15 = 105,167.70 : x - Step 2: Convert to fraction form
315,586.26/473,277.15 = 105,167.70/x - Step 3: Cross multiply
315,586.26x = 473,277.15 × 105,167.70 - Step 4: Simplify right side
315,586.26x = 49,773,469,328.06 - Step 5: Solve for x
x = 49,773,469,328.06/315,586.26 - Step 6: Final answer
x = 157,717.48
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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.