Finding the Fourth Proportional to 315,645.95, 473,657.57 and 115,986.52
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Solution
The fourth proportional to 315,645.95, 473,657.57 and 115,986.52 is: 174,049.09
Step by Step Solution
- Step 1: Write the proportion equation
315,645.95 : 473,657.57 = 115,986.52 : x - Step 2: Convert to fraction form
315,645.95/473,657.57 = 115,986.52/x - Step 3: Cross multiply
315,645.95x = 473,657.57 × 115,986.52 - Step 4: Simplify right side
315,645.95x = 54,937,890,672.51 - Step 5: Solve for x
x = 54,937,890,672.51/315,645.95 - Step 6: Final answer
x = 174,049.09
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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.