Finding the Fourth Proportional to 571,696.66, 857,365.08 and 206,911.18
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Solution
The fourth proportional to 571,696.66, 857,365.08 and 206,911.18 is: 310,301.66
Step by Step Solution
- Step 1: Write the proportion equation
571,696.66 : 857,365.08 = 206,911.18 : x - Step 2: Convert to fraction form
571,696.66/857,365.08 = 206,911.18/x - Step 3: Cross multiply
571,696.66x = 857,365.08 × 206,911.18 - Step 4: Simplify right side
571,696.66x = 177,398,420,393.59 - Step 5: Solve for x
x = 177,398,420,393.59/571,696.66 - Step 6: Final answer
x = 310,301.66
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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.