Finding the Fourth Proportional to 354,794.15, 532,027.20 and 155,011.70
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Solution
The fourth proportional to 354,794.15, 532,027.20 and 155,011.70 is: 232,445.89
Step by Step Solution
- Step 1: Write the proportion equation
354,794.15 : 532,027.20 = 155,011.70 : x - Step 2: Convert to fraction form
354,794.15/532,027.20 = 155,011.70/x - Step 3: Cross multiply
354,794.15x = 532,027.20 × 155,011.70 - Step 4: Simplify right side
354,794.15x = 82,470,440,718.24 - Step 5: Solve for x
x = 82,470,440,718.24/354,794.15 - Step 6: Final answer
x = 232,445.89
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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.