Finding the Fourth Proportional to 397,005.93, 547,806.51 and 235,856.84
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Solution
The fourth proportional to 397,005.93, 547,806.51 and 235,856.84 is: 325,445.79
Step by Step Solution
- Step 1: Write the proportion equation
397,005.93 : 547,806.51 = 235,856.84 : x - Step 2: Convert to fraction form
397,005.93/547,806.51 = 235,856.84/x - Step 3: Cross multiply
397,005.93x = 547,806.51 × 235,856.84 - Step 4: Simplify right side
397,005.93x = 129,203,909,641.00 - Step 5: Solve for x
x = 129,203,909,641.00/397,005.93 - Step 6: Final answer
x = 325,445.79
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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.