Finding the Fourth Proportional to 354,810.15, 532,051.20 and 155,027.70
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Solution
The fourth proportional to 354,810.15, 532,051.20 and 155,027.70 is: 232,469.88
Step by Step Solution
- Step 1: Write the proportion equation
354,810.15 : 532,051.20 = 155,027.70 : x - Step 2: Convert to fraction form
354,810.15/532,051.20 = 155,027.70/x - Step 3: Cross multiply
354,810.15x = 532,051.20 × 155,027.70 - Step 4: Simplify right side
354,810.15x = 82,482,673,818.24 - Step 5: Solve for x
x = 82,482,673,818.24/354,810.15 - Step 6: Final answer
x = 232,469.88
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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.