Finding the Fourth Proportional to 514,331.63, 709,784.98 and 296,535.99
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Solution
The fourth proportional to 514,331.63, 709,784.98 and 296,535.99 is: 409,223.90
Step by Step Solution
- Step 1: Write the proportion equation
514,331.63 : 709,784.98 = 296,535.99 : x - Step 2: Convert to fraction form
514,331.63/709,784.98 = 296,535.99/x - Step 3: Cross multiply
514,331.63x = 709,784.98 × 296,535.99 - Step 4: Simplify right side
514,331.63x = 210,476,790,990.09 - Step 5: Solve for x
x = 210,476,790,990.09/514,331.63 - Step 6: Final answer
x = 409,223.90
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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.