Finding the Fourth Proportional to 178,928.44, 246,859.47 and 110,920.49
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Solution
The fourth proportional to 178,928.44, 246,859.47 and 110,920.49 is: 153,031.98
Step by Step Solution
- Step 1: Write the proportion equation
178,928.44 : 246,859.47 = 110,920.49 : x - Step 2: Convert to fraction form
178,928.44/246,859.47 = 110,920.49/x - Step 3: Cross multiply
178,928.44x = 246,859.47 × 110,920.49 - Step 4: Simplify right side
178,928.44x = 27,381,773,373.54 - Step 5: Solve for x
x = 27,381,773,373.54/178,928.44 - Step 6: Final answer
x = 153,031.98
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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.