Finding the Fourth Proportional to 102,249.10, 153,462.26 and 102,012.68
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Solution
The fourth proportional to 102,249.10, 153,462.26 and 102,012.68 is: 153,107.43
Step by Step Solution
- Step 1: Write the proportion equation
102,249.10 : 153,462.26 = 102,012.68 : x - Step 2: Convert to fraction form
102,249.10/153,462.26 = 102,012.68/x - Step 3: Cross multiply
102,249.10x = 153,462.26 × 102,012.68 - Step 4: Simplify right side
102,249.10x = 15,655,096,421.46 - Step 5: Solve for x
x = 15,655,096,421.46/102,249.10 - Step 6: Final answer
x = 153,107.43
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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.