Finding the Fourth Proportional to 148,228.08, 204,552.72 and 81,160.08
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Solution
The fourth proportional to 148,228.08, 204,552.72 and 81,160.08 is: 111,999.80
Step by Step Solution
- Step 1: Write the proportion equation
148,228.08 : 204,552.72 = 81,160.08 : x - Step 2: Convert to fraction form
148,228.08/204,552.72 = 81,160.08/x - Step 3: Cross multiply
148,228.08x = 204,552.72 × 81,160.08 - Step 4: Simplify right side
148,228.08x = 16,601,515,119.42 - Step 5: Solve for x
x = 16,601,515,119.42/148,228.08 - Step 6: Final answer
x = 111,999.80
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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.