Finding the Fourth Proportional to 306,963.54, 458,194.05 and 284,449.68
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Solution
The fourth proportional to 306,963.54, 458,194.05 and 284,449.68 is: 424,588.38
Step by Step Solution
- Step 1: Write the proportion equation
306,963.54 : 458,194.05 = 284,449.68 : x - Step 2: Convert to fraction form
306,963.54/458,194.05 = 284,449.68/x - Step 3: Cross multiply
306,963.54x = 458,194.05 × 284,449.68 - Step 4: Simplify right side
306,963.54x = 130,333,150,900.40 - Step 5: Solve for x
x = 130,333,150,900.40/306,963.54 - Step 6: Final answer
x = 424,588.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.