Finding the Fourth Proportional to 514,195.68, 709,505.67 and 323,073.75
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Solution
The fourth proportional to 514,195.68, 709,505.67 and 323,073.75 is: 445,788.77
Step by Step Solution
- Step 1: Write the proportion equation
514,195.68 : 709,505.67 = 323,073.75 : x - Step 2: Convert to fraction form
514,195.68/709,505.67 = 323,073.75/x - Step 3: Cross multiply
514,195.68x = 709,505.67 × 323,073.75 - Step 4: Simplify right side
514,195.68x = 229,222,657,453.16 - Step 5: Solve for x
x = 229,222,657,453.16/514,195.68 - Step 6: Final answer
x = 445,788.77
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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.