Finding the Fourth Proportional to 147,197.44, 220,611.04 and 79,726.84
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Solution
The fourth proportional to 147,197.44, 220,611.04 and 79,726.84 is: 119,489.99
Step by Step Solution
- Step 1: Write the proportion equation
147,197.44 : 220,611.04 = 79,726.84 : x - Step 2: Convert to fraction form
147,197.44/220,611.04 = 79,726.84/x - Step 3: Cross multiply
147,197.44x = 220,611.04 × 79,726.84 - Step 4: Simplify right side
147,197.44x = 17,588,621,088.31 - Step 5: Solve for x
x = 17,588,621,088.31/147,197.44 - Step 6: Final answer
x = 119,489.99
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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.