Finding the Fourth Proportional to 372,235.49, 558,081.05 and 119,372.05
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Solution
The fourth proportional to 372,235.49, 558,081.05 and 119,372.05 is: 178,970.79
Step by Step Solution
- Step 1: Write the proportion equation
372,235.49 : 558,081.05 = 119,372.05 : x - Step 2: Convert to fraction form
372,235.49/558,081.05 = 119,372.05/x - Step 3: Cross multiply
372,235.49x = 558,081.05 × 119,372.05 - Step 4: Simplify right side
372,235.49x = 66,619,277,012.59 - Step 5: Solve for x
x = 66,619,277,012.59/372,235.49 - Step 6: Final answer
x = 178,970.79
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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.