Finding the Fourth Proportional to 167,495.07, 231,135.60 and 103,838.79
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Solution
The fourth proportional to 167,495.07, 231,135.60 and 103,838.79 is: 143,292.82
Step by Step Solution
- Step 1: Write the proportion equation
167,495.07 : 231,135.60 = 103,838.79 : x - Step 2: Convert to fraction form
167,495.07/231,135.60 = 103,838.79/x - Step 3: Cross multiply
167,495.07x = 231,135.60 × 103,838.79 - Step 4: Simplify right side
167,495.07x = 24,000,841,029.92 - Step 5: Solve for x
x = 24,000,841,029.92/167,495.07 - Step 6: Final answer
x = 143,292.82
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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.