Finding the Fourth Proportional to 101,197.68, 151,803.84 and 38,868.18
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Solution
The fourth proportional to 101,197.68, 151,803.84 and 38,868.18 is: 58,305.08
Step by Step Solution
- Step 1: Write the proportion equation
101,197.68 : 151,803.84 = 38,868.18 : x - Step 2: Convert to fraction form
101,197.68/151,803.84 = 38,868.18/x - Step 3: Cross multiply
101,197.68x = 151,803.84 × 38,868.18 - Step 4: Simplify right side
101,197.68x = 5,900,338,977.81 - Step 5: Solve for x
x = 5,900,338,977.81/101,197.68 - Step 6: Final answer
x = 58,305.08
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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.