Finding the Fourth Proportional to 211,144.58, 316,718.98 and 53,373.08
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Solution
The fourth proportional to 211,144.58, 316,718.98 and 53,373.08 is: 80,060.15
Step by Step Solution
- Step 1: Write the proportion equation
211,144.58 : 316,718.98 = 53,373.08 : x - Step 2: Convert to fraction form
211,144.58/316,718.98 = 53,373.08/x - Step 3: Cross multiply
211,144.58x = 316,718.98 × 53,373.08 - Step 4: Simplify right side
211,144.58x = 16,904,267,457.06 - Step 5: Solve for x
x = 16,904,267,457.06/211,144.58 - Step 6: Final answer
x = 80,060.15
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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.