Finding the Fourth Proportional to 248,615.70, 372,923.55 and 82,403.70
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Solution
The fourth proportional to 248,615.70, 372,923.55 and 82,403.70 is: 123,605.55
Step by Step Solution
- Step 1: Write the proportion equation
248,615.70 : 372,923.55 = 82,403.70 : x - Step 2: Convert to fraction form
248,615.70/372,923.55 = 82,403.70/x - Step 3: Cross multiply
248,615.70x = 372,923.55 × 82,403.70 - Step 4: Simplify right side
248,615.70x = 30,730,280,337.14 - Step 5: Solve for x
x = 30,730,280,337.14/248,615.70 - Step 6: Final answer
x = 123,605.55
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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.