Finding the Fourth Proportional to 248,430.40, 372,645.72 and 79,950.70
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Solution
The fourth proportional to 248,430.40, 372,645.72 and 79,950.70 is: 119,926.09
Step by Step Solution
- Step 1: Write the proportion equation
248,430.40 : 372,645.72 = 79,950.70 : x - Step 2: Convert to fraction form
248,430.40/372,645.72 = 79,950.70/x - Step 3: Cross multiply
248,430.40x = 372,645.72 × 79,950.70 - Step 4: Simplify right side
248,430.40x = 29,793,286,166.00 - Step 5: Solve for x
x = 29,793,286,166.00/248,430.40 - Step 6: Final answer
x = 119,926.09
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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.