Finding the Fourth Proportional to 261,392.60, 392,088.90 and 202,270.70
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Solution
The fourth proportional to 261,392.60, 392,088.90 and 202,270.70 is: 303,406.05
Step by Step Solution
- Step 1: Write the proportion equation
261,392.60 : 392,088.90 = 202,270.70 : x - Step 2: Convert to fraction form
261,392.60/392,088.90 = 202,270.70/x - Step 3: Cross multiply
261,392.60x = 392,088.90 × 202,270.70 - Step 4: Simplify right side
261,392.60x = 79,308,096,265.23 - Step 5: Solve for x
x = 79,308,096,265.23/261,392.60 - Step 6: Final answer
x = 303,406.05
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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.