Finding the Fourth Proportional to 354,900.96, 532,447.20 and 155,239.20
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Solution
The fourth proportional to 354,900.96, 532,447.20 and 155,239.20 is: 232,900.69
Step by Step Solution
- Step 1: Write the proportion equation
354,900.96 : 532,447.20 = 155,239.20 : x - Step 2: Convert to fraction form
354,900.96/532,447.20 = 155,239.20/x - Step 3: Cross multiply
354,900.96x = 532,447.20 × 155,239.20 - Step 4: Simplify right side
354,900.96x = 82,656,677,370.24 - Step 5: Solve for x
x = 82,656,677,370.24/354,900.96 - Step 6: Final answer
x = 232,900.69
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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.