Finding the Fourth Proportional to 328,865.18, 493,311.54 and 104,220.68
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Solution
The fourth proportional to 328,865.18, 493,311.54 and 104,220.68 is: 156,335.38
Step by Step Solution
- Step 1: Write the proportion equation
328,865.18 : 493,311.54 = 104,220.68 : x - Step 2: Convert to fraction form
328,865.18/493,311.54 = 104,220.68/x - Step 3: Cross multiply
328,865.18x = 493,311.54 × 104,220.68 - Step 4: Simplify right side
328,865.18x = 51,413,264,150.65 - Step 5: Solve for x
x = 51,413,264,150.65/328,865.18 - Step 6: Final answer
x = 156,335.38
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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.