Finding the Fourth Proportional to 310,108.16, 465,163.96 and 110,436.32
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Solution
The fourth proportional to 310,108.16, 465,163.96 and 110,436.32 is: 165,655.09
Step by Step Solution
- Step 1: Write the proportion equation
310,108.16 : 465,163.96 = 110,436.32 : x - Step 2: Convert to fraction form
310,108.16/465,163.96 = 110,436.32/x - Step 3: Cross multiply
310,108.16x = 465,163.96 × 110,436.32 - Step 4: Simplify right side
310,108.16x = 51,370,995,939.03 - Step 5: Solve for x
x = 51,370,995,939.03/310,108.16 - Step 6: Final answer
x = 165,655.09
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1.5x scale
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.