Finding the Fourth Proportional to 326,773.80, 489,471.84 and 149,430.06
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Solution
The fourth proportional to 326,773.80, 489,471.84 and 149,430.06 is: 223,830.08
Step by Step Solution
- Step 1: Write the proportion equation
326,773.80 : 489,471.84 = 149,430.06 : x - Step 2: Convert to fraction form
326,773.80/489,471.84 = 149,430.06/x - Step 3: Cross multiply
326,773.80x = 489,471.84 × 149,430.06 - Step 4: Simplify right side
326,773.80x = 73,141,806,419.51 - Step 5: Solve for x
x = 73,141,806,419.51/326,773.80 - Step 6: Final answer
x = 223,830.08
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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.