Finding the Fourth Proportional to 370,726.96, 511,597.78 and 209,576.68
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Solution
The fourth proportional to 370,726.96, 511,597.78 and 209,576.68 is: 289,212.75
Step by Step Solution
- Step 1: Write the proportion equation
370,726.96 : 511,597.78 = 209,576.68 : x - Step 2: Convert to fraction form
370,726.96/511,597.78 = 209,576.68/x - Step 3: Cross multiply
370,726.96x = 511,597.78 × 209,576.68 - Step 4: Simplify right side
370,726.96x = 107,218,964,227.77 - Step 5: Solve for x
x = 107,218,964,227.77/370,726.96 - Step 6: Final answer
x = 289,212.75
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1.5x scale
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.