Finding the Fourth Proportional to 514,716.08, 772,177.31 and 177,769.09
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Solution
The fourth proportional to 514,716.08, 772,177.31 and 177,769.09 is: 266,689.27
Step by Step Solution
- Step 1: Write the proportion equation
514,716.08 : 772,177.31 = 177,769.09 : x - Step 2: Convert to fraction form
514,716.08/772,177.31 = 177,769.09/x - Step 3: Cross multiply
514,716.08x = 772,177.31 × 177,769.09 - Step 4: Simplify right side
514,716.08x = 137,269,257,717.35 - Step 5: Solve for x
x = 137,269,257,717.35/514,716.08 - Step 6: Final answer
x = 266,689.27
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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.