Finding the Fourth Proportional to 251,719.93, 347,366.91 and 137,000.80
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Solution
The fourth proportional to 251,719.93, 347,366.91 and 137,000.80 is: 189,057.52
Step by Step Solution
- Step 1: Write the proportion equation
251,719.93 : 347,366.91 = 137,000.80 : x - Step 2: Convert to fraction form
251,719.93/347,366.91 = 137,000.80/x - Step 3: Cross multiply
251,719.93x = 347,366.91 × 137,000.80 - Step 4: Simplify right side
251,719.93x = 47,589,544,563.53 - Step 5: Solve for x
x = 47,589,544,563.53/251,719.93 - Step 6: Final answer
x = 189,057.52
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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.