Finding the Fourth Proportional to 312,021.64, 467,943.18 and 101,677.96
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Solution
The fourth proportional to 312,021.64, 467,943.18 and 101,677.96 is: 152,487.85
Step by Step Solution
- Step 1: Write the proportion equation
312,021.64 : 467,943.18 = 101,677.96 : x - Step 2: Convert to fraction form
312,021.64/467,943.18 = 101,677.96/x - Step 3: Cross multiply
312,021.64x = 467,943.18 × 101,677.96 - Step 4: Simplify right side
312,021.64x = 47,579,507,938.31 - Step 5: Solve for x
x = 47,579,507,938.31/312,021.64 - Step 6: Final answer
x = 152,487.85
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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.