Finding the Fourth Proportional to 157,006.97, 235,986.26 and 103,880.15
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Solution
The fourth proportional to 157,006.97, 235,986.26 and 103,880.15 is: 156,135.02
Step by Step Solution
- Step 1: Write the proportion equation
157,006.97 : 235,986.26 = 103,880.15 : x - Step 2: Convert to fraction form
157,006.97/235,986.26 = 103,880.15/x - Step 3: Cross multiply
157,006.97x = 235,986.26 × 103,880.15 - Step 4: Simplify right side
157,006.97x = 24,514,286,387.41 - Step 5: Solve for x
x = 24,514,286,387.41/157,006.97 - Step 6: Final answer
x = 156,135.02
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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.