Finding the Fourth Proportional to 132,315.70, 198,473.55 and 62,331.70
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Solution
The fourth proportional to 132,315.70, 198,473.55 and 62,331.70 is: 93,497.55
Step by Step Solution
- Step 1: Write the proportion equation
132,315.70 : 198,473.55 = 62,331.70 : x - Step 2: Convert to fraction form
132,315.70/198,473.55 = 62,331.70/x - Step 3: Cross multiply
132,315.70x = 198,473.55 × 62,331.70 - Step 4: Simplify right side
132,315.70x = 12,371,193,776.54 - Step 5: Solve for x
x = 12,371,193,776.54/132,315.70 - Step 6: Final answer
x = 93,497.55
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1.5x scale
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.