Finding the Fourth Proportional to 460,669.24, 635,724.16 and 256,715.68
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Solution
The fourth proportional to 460,669.24, 635,724.16 and 256,715.68 is: 354,267.97
Step by Step Solution
- Step 1: Write the proportion equation
460,669.24 : 635,724.16 = 256,715.68 : x - Step 2: Convert to fraction form
460,669.24/635,724.16 = 256,715.68/x - Step 3: Cross multiply
460,669.24x = 635,724.16 × 256,715.68 - Step 4: Simplify right side
460,669.24x = 163,200,358,743.25 - Step 5: Solve for x
x = 163,200,358,743.25/460,669.24 - Step 6: Final answer
x = 354,267.97
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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.