Finding the Fourth Proportional to 393,289.23, 542,718.21 and 232,085.46
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Solution
The fourth proportional to 393,289.23, 542,718.21 and 232,085.46 is: 320,265.59
Step by Step Solution
- Step 1: Write the proportion equation
393,289.23 : 542,718.21 = 232,085.46 : x - Step 2: Convert to fraction form
393,289.23/542,718.21 = 232,085.46/x - Step 3: Cross multiply
393,289.23x = 542,718.21 × 232,085.46 - Step 4: Simplify right side
393,289.23x = 125,957,005,418.23 - Step 5: Solve for x
x = 125,957,005,418.23/393,289.23 - Step 6: Final answer
x = 320,265.59
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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.