Finding the Fourth Proportional to 306,963.05, 420,541.34 and 295,457.63
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Solution
The fourth proportional to 306,963.05, 420,541.34 and 295,457.63 is: 404,778.84
Step by Step Solution
- Step 1: Write the proportion equation
306,963.05 : 420,541.34 = 295,457.63 : x - Step 2: Convert to fraction form
306,963.05/420,541.34 = 295,457.63/x - Step 3: Cross multiply
306,963.05x = 420,541.34 × 295,457.63 - Step 4: Simplify right side
306,963.05x = 124,252,144,053.43 - Step 5: Solve for x
x = 124,252,144,053.43/306,963.05 - Step 6: Final answer
x = 404,778.84
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.