Finding the Fourth Proportional to 370,765.44, 511,660.34 and 217,810.08
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Solution
The fourth proportional to 370,765.44, 511,660.34 and 217,810.08 is: 300,580.28
Step by Step Solution
- Step 1: Write the proportion equation
370,765.44 : 511,660.34 = 217,810.08 : x - Step 2: Convert to fraction form
370,765.44/511,660.34 = 217,810.08/x - Step 3: Cross multiply
370,765.44x = 511,660.34 × 217,810.08 - Step 4: Simplify right side
370,765.44x = 111,444,779,315.97 - Step 5: Solve for x
x = 111,444,779,315.97/370,765.44 - Step 6: Final answer
x = 300,580.28
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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.