Finding the Fourth Proportional to 102,238.71, 153,233.71 and 54,737.07
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Solution
The fourth proportional to 102,238.71, 153,233.71 and 54,737.07 is: 82,039.03
Step by Step Solution
- Step 1: Write the proportion equation
102,238.71 : 153,233.71 = 54,737.07 : x - Step 2: Convert to fraction form
102,238.71/153,233.71 = 54,737.07/x - Step 3: Cross multiply
102,238.71x = 153,233.71 × 54,737.07 - Step 4: Simplify right side
102,238.71x = 8,387,564,310.63 - Step 5: Solve for x
x = 8,387,564,310.63/102,238.71 - Step 6: Final answer
x = 82,039.03
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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.