Finding the Fourth Proportional to 117,701.98, 176,497.68 and 42,769.29
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Solution
The fourth proportional to 117,701.98, 176,497.68 and 42,769.29 is: 64,133.84
Step by Step Solution
- Step 1: Write the proportion equation
117,701.98 : 176,497.68 = 42,769.29 : x - Step 2: Convert to fraction form
117,701.98/176,497.68 = 42,769.29/x - Step 3: Cross multiply
117,701.98x = 176,497.68 × 42,769.29 - Step 4: Simplify right side
117,701.98x = 7,548,680,460.25 - Step 5: Solve for x
x = 7,548,680,460.25/117,701.98 - Step 6: Final answer
x = 64,133.84
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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.