Finding the Fourth Proportional to 147,589.26, 203,636.95 and 86,325.92
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Solution
The fourth proportional to 147,589.26, 203,636.95 and 86,325.92 is: 119,108.58
Step by Step Solution
- Step 1: Write the proportion equation
147,589.26 : 203,636.95 = 86,325.92 : x - Step 2: Convert to fraction form
147,589.26/203,636.95 = 86,325.92/x - Step 3: Cross multiply
147,589.26x = 203,636.95 × 86,325.92 - Step 4: Simplify right side
147,589.26x = 17,579,147,348.02 - Step 5: Solve for x
x = 17,579,147,348.02/147,589.26 - Step 6: Final answer
x = 119,108.58
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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.