Finding the Fourth Proportional to 167,510.88, 251,079.12 and 72,631.44
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Solution
The fourth proportional to 167,510.88, 251,079.12 and 72,631.44 is: 108,865.99
Step by Step Solution
- Step 1: Write the proportion equation
167,510.88 : 251,079.12 = 72,631.44 : x - Step 2: Convert to fraction form
167,510.88/251,079.12 = 72,631.44/x - Step 3: Cross multiply
167,510.88x = 251,079.12 × 72,631.44 - Step 4: Simplify right side
167,510.88x = 18,236,238,039.53 - Step 5: Solve for x
x = 18,236,238,039.53/167,510.88 - Step 6: Final answer
x = 108,865.99
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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.