Finding the Fourth Proportional to 147,675.08, 203,791.58 and 80,607.08
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Solution
The fourth proportional to 147,675.08, 203,791.58 and 80,607.08 is: 111,237.75
Step by Step Solution
- Step 1: Write the proportion equation
147,675.08 : 203,791.58 = 80,607.08 : x - Step 2: Convert to fraction form
147,675.08/203,791.58 = 80,607.08/x - Step 3: Cross multiply
147,675.08x = 203,791.58 × 80,607.08 - Step 4: Simplify right side
147,675.08x = 16,427,044,192.39 - Step 5: Solve for x
x = 16,427,044,192.39/147,675.08 - Step 6: Final answer
x = 111,237.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.