Finding the Fourth Proportional to 372,110.06, 513,534.28 and 219,250.12
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Solution
The fourth proportional to 372,110.06, 513,534.28 and 219,250.12 is: 302,578.37
Step by Step Solution
- Step 1: Write the proportion equation
372,110.06 : 513,534.28 = 219,250.12 : x - Step 2: Convert to fraction form
372,110.06/513,534.28 = 219,250.12/x - Step 3: Cross multiply
372,110.06x = 513,534.28 × 219,250.12 - Step 4: Simplify right side
372,110.06x = 112,592,452,930.38 - Step 5: Solve for x
x = 112,592,452,930.38/372,110.06 - Step 6: Final answer
x = 302,578.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.