Finding the Fourth Proportional to 319,627.54, 441,251.84 and 233,489.81
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Solution
The fourth proportional to 319,627.54, 441,251.84 and 233,489.81 is: 322,337.09
Step by Step Solution
- Step 1: Write the proportion equation
319,627.54 : 441,251.84 = 233,489.81 : x - Step 2: Convert to fraction form
319,627.54/441,251.84 = 233,489.81/x - Step 3: Cross multiply
319,627.54x = 441,251.84 × 233,489.81 - Step 4: Simplify right side
319,627.54x = 103,027,809,970.61 - Step 5: Solve for x
x = 103,027,809,970.61/319,627.54 - Step 6: Final answer
x = 322,337.09
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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.