Finding the Fourth Proportional to 320,105.63, 480,224.74 and 130,566.53
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Solution
The fourth proportional to 320,105.63, 480,224.74 and 130,566.53 is: 195,876.84
Step by Step Solution
- Step 1: Write the proportion equation
320,105.63 : 480,224.74 = 130,566.53 : x - Step 2: Convert to fraction form
320,105.63/480,224.74 = 130,566.53/x - Step 3: Cross multiply
320,105.63x = 480,224.74 × 130,566.53 - Step 4: Simplify right side
320,105.63x = 62,701,277,921.95 - Step 5: Solve for x
x = 62,701,277,921.95/320,105.63 - Step 6: Final answer
x = 195,876.84
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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.