Finding the Fourth Proportional to 261,707.70, 392,561.55 and 235,463.70
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Solution
The fourth proportional to 261,707.70, 392,561.55 and 235,463.70 is: 353,195.55
Step by Step Solution
- Step 1: Write the proportion equation
261,707.70 : 392,561.55 = 235,463.70 : x - Step 2: Convert to fraction form
261,707.70/392,561.55 = 235,463.70/x - Step 3: Cross multiply
261,707.70x = 392,561.55 × 235,463.70 - Step 4: Simplify right side
261,707.70x = 92,433,995,040.74 - Step 5: Solve for x
x = 92,433,995,040.74/261,707.70 - Step 6: Final answer
x = 353,195.55
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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.