Finding the Fourth Proportional to 171,763.68, 257,382.76 and 91,813.02
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Solution
The fourth proportional to 171,763.68, 257,382.76 and 91,813.02 is: 137,579.08
Step by Step Solution
- Step 1: Write the proportion equation
171,763.68 : 257,382.76 = 91,813.02 : x - Step 2: Convert to fraction form
171,763.68/257,382.76 = 91,813.02/x - Step 3: Cross multiply
171,763.68x = 257,382.76 × 91,813.02 - Step 4: Simplify right side
171,763.68x = 23,631,088,491.54 - Step 5: Solve for x
x = 23,631,088,491.54/171,763.68 - Step 6: Final answer
x = 137,579.08
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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.