Finding the Fourth Proportional to 460,735.21, 635,866.23 and 256,804.75
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Solution
The fourth proportional to 460,735.21, 635,866.23 and 256,804.75 is: 354,419.34
Step by Step Solution
- Step 1: Write the proportion equation
460,735.21 : 635,866.23 = 256,804.75 : x - Step 2: Convert to fraction form
460,735.21/635,866.23 = 256,804.75/x - Step 3: Cross multiply
460,735.21x = 635,866.23 × 256,804.75 - Step 4: Simplify right side
460,735.21x = 163,293,468,228.59 - Step 5: Solve for x
x = 163,293,468,228.59/460,735.21 - Step 6: Final answer
x = 354,419.34
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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.