Finding the Fourth Proportional to 380,963.14, 525,752.75 and 211,197.26
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Solution
The fourth proportional to 380,963.14, 525,752.75 and 211,197.26 is: 291,465.32
Step by Step Solution
- Step 1: Write the proportion equation
380,963.14 : 525,752.75 = 211,197.26 : x - Step 2: Convert to fraction form
380,963.14/525,752.75 = 211,197.26/x - Step 3: Cross multiply
380,963.14x = 525,752.75 × 211,197.26 - Step 4: Simplify right side
380,963.14x = 111,037,541,287.85 - Step 5: Solve for x
x = 111,037,541,287.85/380,963.14 - Step 6: Final answer
x = 291,465.32
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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.