Finding the Fourth Proportional to 464,295.82, 640,993.68 and 355,199.14
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Solution
The fourth proportional to 464,295.82, 640,993.68 and 355,199.14 is: 490,377.89
Step by Step Solution
- Step 1: Write the proportion equation
464,295.82 : 640,993.68 = 355,199.14 : x - Step 2: Convert to fraction form
464,295.82/640,993.68 = 355,199.14/x - Step 3: Cross multiply
464,295.82x = 640,993.68 × 355,199.14 - Step 4: Simplify right side
464,295.82x = 227,680,403,881.44 - Step 5: Solve for x
x = 227,680,403,881.44/464,295.82 - Step 6: Final answer
x = 490,377.89
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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.