Finding the Fourth Proportional to 143,542.44, 215,349.24 and 68,719.44
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Solution
The fourth proportional to 143,542.44, 215,349.24 and 68,719.44 is: 103,096.19
Step by Step Solution
- Step 1: Write the proportion equation
143,542.44 : 215,349.24 = 68,719.44 : x - Step 2: Convert to fraction form
143,542.44/215,349.24 = 68,719.44/x - Step 3: Cross multiply
143,542.44x = 215,349.24 × 68,719.44 - Step 4: Simplify right side
143,542.44x = 14,798,679,177.23 - Step 5: Solve for x
x = 14,798,679,177.23/143,542.44 - Step 6: Final answer
x = 103,096.19
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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.