Finding the Fourth Proportional to 326,559.44, 489,844.34 and 124,158.63
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Solution
The fourth proportional to 326,559.44, 489,844.34 and 124,158.63 is: 186,239.91
Step by Step Solution
- Step 1: Write the proportion equation
326,559.44 : 489,844.34 = 124,158.63 : x - Step 2: Convert to fraction form
326,559.44/489,844.34 = 124,158.63/x - Step 3: Cross multiply
326,559.44x = 489,844.34 × 124,158.63 - Step 4: Simplify right side
326,559.44x = 60,818,402,478.05 - Step 5: Solve for x
x = 60,818,402,478.05/326,559.44 - Step 6: Final answer
x = 186,239.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.