Finding the Fourth Proportional to 370,585.13, 511,349.36 and 215,570.77
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Solution
The fourth proportional to 370,585.13, 511,349.36 and 215,570.77 is: 297,453.85
Step by Step Solution
- Step 1: Write the proportion equation
370,585.13 : 511,349.36 = 215,570.77 : x - Step 2: Convert to fraction form
370,585.13/511,349.36 = 215,570.77/x - Step 3: Cross multiply
370,585.13x = 511,349.36 × 215,570.77 - Step 4: Simplify right side
370,585.13x = 110,231,972,917.98 - Step 5: Solve for x
x = 110,231,972,917.98/370,585.13 - Step 6: Final answer
x = 297,453.85
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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.