Finding the Fourth Proportional to 226,532.86, 312,623.38 and 124,566.09
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Solution
The fourth proportional to 226,532.86, 312,623.38 and 124,566.09 is: 171,905.62
Step by Step Solution
- Step 1: Write the proportion equation
226,532.86 : 312,623.38 = 124,566.09 : x - Step 2: Convert to fraction form
226,532.86/312,623.38 = 124,566.09/x - Step 3: Cross multiply
226,532.86x = 312,623.38 × 124,566.09 - Step 4: Simplify right side
226,532.86x = 38,942,272,089.18 - Step 5: Solve for x
x = 38,942,272,089.18/226,532.86 - Step 6: Final answer
x = 171,905.62
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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.