Finding the Fourth Proportional to 464,466.24, 640,968.66 and 257,738.22
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Solution
The fourth proportional to 464,466.24, 640,968.66 and 257,738.22 is: 355,681.66
Step by Step Solution
- Step 1: Write the proportion equation
464,466.24 : 640,968.66 = 257,738.22 : x - Step 2: Convert to fraction form
464,466.24/640,968.66 = 257,738.22/x - Step 3: Cross multiply
464,466.24x = 640,968.66 × 257,738.22 - Step 4: Simplify right side
464,466.24x = 165,202,121,504.19 - Step 5: Solve for x
x = 165,202,121,504.19/464,466.24 - Step 6: Final answer
x = 355,681.66
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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.