Finding the Fourth Proportional to 198,575.24, 274,035.66 and 107,931.41
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Solution
The fourth proportional to 198,575.24, 274,035.66 and 107,931.41 is: 148,946.34
Step by Step Solution
- Step 1: Write the proportion equation
198,575.24 : 274,035.66 = 107,931.41 : x - Step 2: Convert to fraction form
198,575.24/274,035.66 = 107,931.41/x - Step 3: Cross multiply
198,575.24x = 274,035.66 × 107,931.41 - Step 4: Simplify right side
198,575.24x = 29,577,053,803.90 - Step 5: Solve for x
x = 29,577,053,803.90/198,575.24 - Step 6: Final answer
x = 148,946.34
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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.