Finding the Fourth Proportional to 463,059.79, 639,121.80 and 301,626.79
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Solution
The fourth proportional to 463,059.79, 639,121.80 and 301,626.79 is: 416,309.65
Step by Step Solution
- Step 1: Write the proportion equation
463,059.79 : 639,121.80 = 301,626.79 : x - Step 2: Convert to fraction form
463,059.79/639,121.80 = 301,626.79/x - Step 3: Cross multiply
463,059.79x = 639,121.80 × 301,626.79 - Step 4: Simplify right side
463,059.79x = 192,776,256,953.02 - Step 5: Solve for x
x = 192,776,256,953.02/463,059.79 - Step 6: Final answer
x = 416,309.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.