Finding the Fourth Proportional to 681,140.19, 940,047.30 and 375,247.92
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Solution
The fourth proportional to 681,140.19, 940,047.30 and 375,247.92 is: 517,882.80
Step by Step Solution
- Step 1: Write the proportion equation
681,140.19 : 940,047.30 = 375,247.92 : x - Step 2: Convert to fraction form
681,140.19/940,047.30 = 375,247.92/x - Step 3: Cross multiply
681,140.19x = 940,047.30 × 375,247.92 - Step 4: Simplify right side
681,140.19x = 352,750,788,564.76 - Step 5: Solve for x
x = 352,750,788,564.76/681,140.19 - Step 6: Final answer
x = 517,882.80
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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.