Finding the Fourth Proportional to 217,537.18, 300,133.98 and 126,828.94
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Solution
The fourth proportional to 217,537.18, 300,133.98 and 126,828.94 is: 174,984.68
Step by Step Solution
- Step 1: Write the proportion equation
217,537.18 : 300,133.98 = 126,828.94 : x - Step 2: Convert to fraction form
217,537.18/300,133.98 = 126,828.94/x - Step 3: Cross multiply
217,537.18x = 300,133.98 × 126,828.94 - Step 4: Simplify right side
217,537.18x = 38,065,674,541.38 - Step 5: Solve for x
x = 38,065,674,541.38/217,537.18 - Step 6: Final answer
x = 174,984.68
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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.