Finding the Fourth Proportional to 514,106.49, 709,466.76 and 287,751.99
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Solution
The fourth proportional to 514,106.49, 709,466.76 and 287,751.99 is: 397,097.64
Step by Step Solution
- Step 1: Write the proportion equation
514,106.49 : 709,466.76 = 287,751.99 : x - Step 2: Convert to fraction form
514,106.49/709,466.76 = 287,751.99/x - Step 3: Cross multiply
514,106.49x = 709,466.76 × 287,751.99 - Step 4: Simplify right side
514,106.49x = 204,150,472,028.85 - Step 5: Solve for x
x = 204,150,472,028.85/514,106.49 - Step 6: Final answer
x = 397,097.64
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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.