Finding the Fourth Proportional to 276,897.38, 382,118.58 and 149,572.97
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Solution
The fourth proportional to 276,897.38, 382,118.58 and 149,572.97 is: 206,410.81
Step by Step Solution
- Step 1: Write the proportion equation
276,897.38 : 382,118.58 = 149,572.97 : x - Step 2: Convert to fraction form
276,897.38/382,118.58 = 149,572.97/x - Step 3: Cross multiply
276,897.38x = 382,118.58 × 149,572.97 - Step 4: Simplify right side
276,897.38x = 57,154,610,425.13 - Step 5: Solve for x
x = 57,154,610,425.13/276,897.38 - Step 6: Final answer
x = 206,410.81
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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.