Finding the Fourth Proportional to 380,034.01, 524,438.84 and 207,951.26
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Solution
The fourth proportional to 380,034.01, 524,438.84 and 207,951.26 is: 286,968.31
Step by Step Solution
- Step 1: Write the proportion equation
380,034.01 : 524,438.84 = 207,951.26 : x - Step 2: Convert to fraction form
380,034.01/524,438.84 = 207,951.26/x - Step 3: Cross multiply
380,034.01x = 524,438.84 × 207,951.26 - Step 4: Simplify right side
380,034.01x = 109,057,716,531.18 - Step 5: Solve for x
x = 109,057,716,531.18/380,034.01 - Step 6: Final answer
x = 286,968.31
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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.