Finding the Fourth Proportional to 477,809.38, 716,077.11 and 177,988.08
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Solution
The fourth proportional to 477,809.38, 716,077.11 and 177,988.08 is: 266,744.85
Step by Step Solution
- Step 1: Write the proportion equation
477,809.38 : 716,077.11 = 177,988.08 : x - Step 2: Convert to fraction form
477,809.38/716,077.11 = 177,988.08/x - Step 3: Cross multiply
477,809.38x = 716,077.11 × 177,988.08 - Step 4: Simplify right side
477,809.38x = 127,453,192,292.41 - Step 5: Solve for x
x = 127,453,192,292.41/477,809.38 - Step 6: Final answer
x = 266,744.85
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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.