Finding the Fourth Proportional to 370,570.32, 511,319.64 and 207,229.84
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Solution
The fourth proportional to 370,570.32, 511,319.64 and 207,229.84 is: 285,939.49
Step by Step Solution
- Step 1: Write the proportion equation
370,570.32 : 511,319.64 = 207,229.84 : x - Step 2: Convert to fraction form
370,570.32/511,319.64 = 207,229.84/x - Step 3: Cross multiply
370,570.32x = 511,319.64 × 207,229.84 - Step 4: Simplify right side
370,570.32x = 105,960,687,186.06 - Step 5: Solve for x
x = 105,960,687,186.06/370,570.32 - Step 6: Final answer
x = 285,939.49
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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.