Finding the Fourth Proportional to 261,421.70, 392,521.35 and 202,324.10
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Solution
The fourth proportional to 261,421.70, 392,521.35 and 202,324.10 is: 303,787.06
Step by Step Solution
- Step 1: Write the proportion equation
261,421.70 : 392,521.35 = 202,324.10 : x - Step 2: Convert to fraction form
261,421.70/392,521.35 = 202,324.10/x - Step 3: Cross multiply
261,421.70x = 392,521.35 × 202,324.10 - Step 4: Simplify right side
261,421.70x = 79,416,528,869.54 - Step 5: Solve for x
x = 79,416,528,869.54/261,421.70 - Step 6: Final answer
x = 303,787.06
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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.