Finding the Fourth Proportional to 102,548.08, 153,821.16 and 32,427.40
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Solution
The fourth proportional to 102,548.08, 153,821.16 and 32,427.40 is: 48,640.80
Step by Step Solution
- Step 1: Write the proportion equation
102,548.08 : 153,821.16 = 32,427.40 : x - Step 2: Convert to fraction form
102,548.08/153,821.16 = 32,427.40/x - Step 3: Cross multiply
102,548.08x = 153,821.16 × 32,427.40 - Step 4: Simplify right side
102,548.08x = 4,988,020,283.78 - Step 5: Solve for x
x = 4,988,020,283.78/102,548.08 - Step 6: Final answer
x = 48,640.80
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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.