Finding the Fourth Proportional to 132,970.74, 199,397.70 and 49,806.42
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Solution
The fourth proportional to 132,970.74, 199,397.70 and 49,806.42 is: 74,687.75
Step by Step Solution
- Step 1: Write the proportion equation
132,970.74 : 199,397.70 = 49,806.42 : x - Step 2: Convert to fraction form
132,970.74/199,397.70 = 49,806.42/x - Step 3: Cross multiply
132,970.74x = 199,397.70 × 49,806.42 - Step 4: Simplify right side
132,970.74x = 9,931,285,593.23 - Step 5: Solve for x
x = 9,931,285,593.23/132,970.74 - Step 6: Final answer
x = 74,687.75
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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.