Finding the Fourth Proportional to 68,302.76, 102,454.16 and 18,382.98
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Solution
The fourth proportional to 68,302.76, 102,454.16 and 18,382.98 is: 27,574.48
Step by Step Solution
- Step 1: Write the proportion equation
68,302.76 : 102,454.16 = 18,382.98 : x - Step 2: Convert to fraction form
68,302.76/102,454.16 = 18,382.98/x - Step 3: Cross multiply
68,302.76x = 102,454.16 × 18,382.98 - Step 4: Simplify right side
68,302.76x = 1,883,412,774.20 - Step 5: Solve for x
x = 1,883,412,774.20/68,302.76 - Step 6: Final answer
x = 27,574.48
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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.