Finding the Fourth Proportional to 132,418.99, 198,565.98 and 48,119.68
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Solution
The fourth proportional to 132,418.99, 198,565.98 and 48,119.68 is: 72,156.81
Step by Step Solution
- Step 1: Write the proportion equation
132,418.99 : 198,565.98 = 48,119.68 : x - Step 2: Convert to fraction form
132,418.99/198,565.98 = 48,119.68/x - Step 3: Cross multiply
132,418.99x = 198,565.98 × 48,119.68 - Step 4: Simplify right side
132,418.99x = 9,554,931,416.49 - Step 5: Solve for x
x = 9,554,931,416.49/132,418.99 - Step 6: Final answer
x = 72,156.81
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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.