Finding the Fourth Proportional to 102,469.21, 153,686.43 and 27,572.66
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Solution
The fourth proportional to 102,469.21, 153,686.43 and 27,572.66 is: 41,354.31
Step by Step Solution
- Step 1: Write the proportion equation
102,469.21 : 153,686.43 = 27,572.66 : x - Step 2: Convert to fraction form
102,469.21/153,686.43 = 27,572.66/x - Step 3: Cross multiply
102,469.21x = 153,686.43 × 27,572.66 - Step 4: Simplify right side
102,469.21x = 4,237,543,681.00 - Step 5: Solve for x
x = 4,237,543,681.00/102,469.21 - Step 6: Final answer
x = 41,354.31
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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.