Finding the Fourth Proportional to 198,297.18, 273,652.20 and 107,653.98
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Solution
The fourth proportional to 198,297.18, 273,652.20 and 107,653.98 is: 148,563.63
Step by Step Solution
- Step 1: Write the proportion equation
198,297.18 : 273,652.20 = 107,653.98 : x - Step 2: Convert to fraction form
198,297.18/273,652.20 = 107,653.98/x - Step 3: Cross multiply
198,297.18x = 273,652.20 × 107,653.98 - Step 4: Simplify right side
198,297.18x = 29,459,748,465.76 - Step 5: Solve for x
x = 29,459,748,465.76/198,297.18 - Step 6: Final answer
x = 148,563.63
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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.