Finding the Fourth Proportional to 395,373.63, 545,696.09 and 268,090.23
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Solution
The fourth proportional to 395,373.63, 545,696.09 and 268,090.23 is: 370,019.09
Step by Step Solution
- Step 1: Write the proportion equation
395,373.63 : 545,696.09 = 268,090.23 : x - Step 2: Convert to fraction form
395,373.63/545,696.09 = 268,090.23/x - Step 3: Cross multiply
395,373.63x = 545,696.09 × 268,090.23 - Step 4: Simplify right side
395,373.63x = 146,295,790,278.20 - Step 5: Solve for x
x = 146,295,790,278.20/395,373.63 - Step 6: Final answer
x = 370,019.09
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1.5x scale
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.