Finding the Fourth Proportional to 173,023.70, 239,102.74 and 124,783.94
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Solution
The fourth proportional to 173,023.70, 239,102.74 and 124,783.94 is: 172,439.86
Step by Step Solution
- Step 1: Write the proportion equation
173,023.70 : 239,102.74 = 124,783.94 : x - Step 2: Convert to fraction form
173,023.70/239,102.74 = 124,783.94/x - Step 3: Cross multiply
173,023.70x = 239,102.74 × 124,783.94 - Step 4: Simplify right side
173,023.70x = 29,836,181,962.00 - Step 5: Solve for x
x = 29,836,181,962.00/173,023.70 - Step 6: Final answer
x = 172,439.86
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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.