Finding the Fourth Proportional to 516,329.84, 774,013.24 and 174,535.44
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Solution
The fourth proportional to 516,329.84, 774,013.24 and 174,535.44 is: 261,640.39
Step by Step Solution
- Step 1: Write the proportion equation
516,329.84 : 774,013.24 = 174,535.44 : x - Step 2: Convert to fraction form
516,329.84/774,013.24 = 174,535.44/x - Step 3: Cross multiply
516,329.84x = 774,013.24 × 174,535.44 - Step 4: Simplify right side
516,329.84x = 135,092,741,409.23 - Step 5: Solve for x
x = 135,092,741,409.23/516,329.84 - Step 6: Final answer
x = 261,640.39
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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.