Finding the Fourth Proportional to 308,503.94, 462,793.35 and 86,887.94
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Solution
The fourth proportional to 308,503.94, 462,793.35 and 86,887.94 is: 130,342.45
Step by Step Solution
- Step 1: Write the proportion equation
308,503.94 : 462,793.35 = 86,887.94 : x - Step 2: Convert to fraction form
308,503.94/462,793.35 = 86,887.94/x - Step 3: Cross multiply
308,503.94x = 462,793.35 × 86,887.94 - Step 4: Simplify right side
308,503.94x = 40,211,160,827.20 - Step 5: Solve for x
x = 40,211,160,827.20/308,503.94 - Step 6: Final answer
x = 130,342.45
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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.