Finding the Fourth Proportional to 329,121.48, 493,580.16 and 118,732.08
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Solution
The fourth proportional to 329,121.48, 493,580.16 and 118,732.08 is: 178,061.30
Step by Step Solution
- Step 1: Write the proportion equation
329,121.48 : 493,580.16 = 118,732.08 : x - Step 2: Convert to fraction form
329,121.48/493,580.16 = 118,732.08/x - Step 3: Cross multiply
329,121.48x = 493,580.16 × 118,732.08 - Step 4: Simplify right side
329,121.48x = 58,603,799,043.53 - Step 5: Solve for x
x = 58,603,799,043.53/329,121.48 - Step 6: Final answer
x = 178,061.30
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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.