Finding the Fourth Proportional to 434,535.70, 651,803.55 and 247,911.70
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Solution
The fourth proportional to 434,535.70, 651,803.55 and 247,911.70 is: 371,867.55
Step by Step Solution
- Step 1: Write the proportion equation
434,535.70 : 651,803.55 = 247,911.70 : x - Step 2: Convert to fraction form
434,535.70/651,803.55 = 247,911.70/x - Step 3: Cross multiply
434,535.70x = 651,803.55 × 247,911.70 - Step 4: Simplify right side
434,535.70x = 161,589,726,146.54 - Step 5: Solve for x
x = 161,589,726,146.54/434,535.70 - Step 6: Final answer
x = 371,867.55
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1.5x scale
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.