Finding the Fourth Proportional to 145,305.38, 217,970.58 and 40,124.36
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Solution
The fourth proportional to 145,305.38, 217,970.58 and 40,124.36 is: 60,189.99
Step by Step Solution
- Step 1: Write the proportion equation
145,305.38 : 217,970.58 = 40,124.36 : x - Step 2: Convert to fraction form
145,305.38/217,970.58 = 40,124.36/x - Step 3: Cross multiply
145,305.38x = 217,970.58 × 40,124.36 - Step 4: Simplify right side
145,305.38x = 8,745,930,021.33 - Step 5: Solve for x
x = 8,745,930,021.33/145,305.38 - Step 6: Final answer
x = 60,189.99
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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.