Finding the Fourth Proportional to 389,163.20, 583,696.49 and 104,875.99
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Solution
The fourth proportional to 389,163.20, 583,696.49 and 104,875.99 is: 157,300.96
Step by Step Solution
- Step 1: Write the proportion equation
389,163.20 : 583,696.49 = 104,875.99 : x - Step 2: Convert to fraction form
389,163.20/583,696.49 = 104,875.99/x - Step 3: Cross multiply
389,163.20x = 583,696.49 × 104,875.99 - Step 4: Simplify right side
389,163.20x = 61,215,745,264.65 - Step 5: Solve for x
x = 61,215,745,264.65/389,163.20 - Step 6: Final answer
x = 157,300.96
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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.