Finding the Fourth Proportional to 434,563.70, 651,845.55 and 247,939.70
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Solution
The fourth proportional to 434,563.70, 651,845.55 and 247,939.70 is: 371,909.55
Step by Step Solution
- Step 1: Write the proportion equation
434,563.70 : 651,845.55 = 247,939.70 : x - Step 2: Convert to fraction form
434,563.70/651,845.55 = 247,939.70/x - Step 3: Cross multiply
434,563.70x = 651,845.55 × 247,939.70 - Step 4: Simplify right side
434,563.70x = 161,618,390,113.34 - Step 5: Solve for x
x = 161,618,390,113.34/434,563.70 - Step 6: Final answer
x = 371,909.55
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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.