Finding the Fourth Proportional to 409,515.30, 614,163.60 and 125,205.30
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Solution
The fourth proportional to 409,515.30, 614,163.60 and 125,205.30 is: 187,774.52
Step by Step Solution
- Step 1: Write the proportion equation
409,515.30 : 614,163.60 = 125,205.30 : x - Step 2: Convert to fraction form
409,515.30/614,163.60 = 125,205.30/x - Step 3: Cross multiply
409,515.30x = 614,163.60 × 125,205.30 - Step 4: Simplify right side
409,515.30x = 76,896,537,787.08 - Step 5: Solve for x
x = 76,896,537,787.08/409,515.30 - Step 6: Final answer
x = 187,774.52
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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.