Finding the Fourth Proportional to 828,338.27, 1,242,368.99 and 229,359.97
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Solution
The fourth proportional to 828,338.27, 1,242,368.99 and 229,359.97 is: 344,001.63
Step by Step Solution
- Step 1: Write the proportion equation
828,338.27 : 1,242,368.99 = 229,359.97 : x - Step 2: Convert to fraction form
828,338.27/1,242,368.99 = 229,359.97/x - Step 3: Cross multiply
828,338.27x = 1,242,368.99 × 229,359.97 - Step 4: Simplify right side
828,338.27x = 284,949,714,275.33 - Step 5: Solve for x
x = 284,949,714,275.33/828,338.27 - Step 6: Final answer
x = 344,001.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.