Finding the Fourth Proportional to 247,615.08, 371,549.28 and 117,930.70
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Solution
The fourth proportional to 247,615.08, 371,549.28 and 117,930.70 is: 176,956.37
Step by Step Solution
- Step 1: Write the proportion equation
247,615.08 : 371,549.28 = 117,930.70 : x - Step 2: Convert to fraction form
247,615.08/371,549.28 = 117,930.70/x - Step 3: Cross multiply
247,615.08x = 371,549.28 × 117,930.70 - Step 4: Simplify right side
247,615.08x = 43,817,066,674.90 - Step 5: Solve for x
x = 43,817,066,674.90/247,615.08 - Step 6: Final answer
x = 176,956.37
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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.