Finding the Fourth Proportional to 464,217.92, 640,734.69 and 283,029.76
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Solution
The fourth proportional to 464,217.92, 640,734.69 and 283,029.76 is: 390,650.55
Step by Step Solution
- Step 1: Write the proportion equation
464,217.92 : 640,734.69 = 283,029.76 : x - Step 2: Convert to fraction form
464,217.92/640,734.69 = 283,029.76/x - Step 3: Cross multiply
464,217.92x = 640,734.69 × 283,029.76 - Step 4: Simplify right side
464,217.92x = 181,346,987,396.65 - Step 5: Solve for x
x = 181,346,987,396.65/464,217.92 - Step 6: Final answer
x = 390,650.55
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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.