Finding the Fourth Proportional to 279,900.48, 386,273.16 and 159,062.34
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Solution
The fourth proportional to 279,900.48, 386,273.16 and 159,062.34 is: 219,511.99
Step by Step Solution
- Step 1: Write the proportion equation
279,900.48 : 386,273.16 = 159,062.34 : x - Step 2: Convert to fraction form
279,900.48/386,273.16 = 159,062.34/x - Step 3: Cross multiply
279,900.48x = 386,273.16 × 159,062.34 - Step 4: Simplify right side
279,900.48x = 61,441,512,708.79 - Step 5: Solve for x
x = 61,441,512,708.79/279,900.48 - Step 6: Final answer
x = 219,511.99
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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.