Finding the Fourth Proportional to 159,680.68, 239,480.15 and 47,334.63
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Solution
The fourth proportional to 159,680.68, 239,480.15 and 47,334.63 is: 70,989.83
Step by Step Solution
- Step 1: Write the proportion equation
159,680.68 : 239,480.15 = 47,334.63 : x - Step 2: Convert to fraction form
159,680.68/239,480.15 = 47,334.63/x - Step 3: Cross multiply
159,680.68x = 239,480.15 × 47,334.63 - Step 4: Simplify right side
159,680.68x = 11,335,704,055.92 - Step 5: Solve for x
x = 11,335,704,055.92/159,680.68 - Step 6: Final answer
x = 70,989.83
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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.