Finding the Fourth Proportional to 185,125.08, 277,630.21 and 66,781.05
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Solution
The fourth proportional to 185,125.08, 277,630.21 and 66,781.05 is: 100,150.87
Step by Step Solution
- Step 1: Write the proportion equation
185,125.08 : 277,630.21 = 66,781.05 : x - Step 2: Convert to fraction form
185,125.08/277,630.21 = 66,781.05/x - Step 3: Cross multiply
185,125.08x = 277,630.21 × 66,781.05 - Step 4: Simplify right side
185,125.08x = 18,540,436,935.52 - Step 5: Solve for x
x = 18,540,436,935.52/185,125.08 - Step 6: Final answer
x = 100,150.87
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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.