Finding the Fourth Proportional to 328,868.68, 493,247.43 and 92,156.91
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Solution
The fourth proportional to 328,868.68, 493,247.43 and 92,156.91 is: 138,219.79
Step by Step Solution
- Step 1: Write the proportion equation
328,868.68 : 493,247.43 = 92,156.91 : x - Step 2: Convert to fraction form
328,868.68/493,247.43 = 92,156.91/x - Step 3: Cross multiply
328,868.68x = 493,247.43 × 92,156.91 - Step 4: Simplify right side
328,868.68x = 45,456,159,014.24 - Step 5: Solve for x
x = 45,456,159,014.24/328,868.68 - Step 6: Final answer
x = 138,219.79
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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.