Finding the Fourth Proportional to 135,948.58, 187,533.47 and 126,326.62
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Solution
The fourth proportional to 135,948.58, 187,533.47 and 126,326.62 is: 174,260.51
Step by Step Solution
- Step 1: Write the proportion equation
135,948.58 : 187,533.47 = 126,326.62 : x - Step 2: Convert to fraction form
135,948.58/187,533.47 = 126,326.62/x - Step 3: Cross multiply
135,948.58x = 187,533.47 × 126,326.62 - Step 4: Simplify right side
135,948.58x = 23,690,469,401.97 - Step 5: Solve for x
x = 23,690,469,401.97/135,948.58 - Step 6: Final answer
x = 174,260.51
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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.