Finding the Fourth Proportional to 370,484.30, 511,261.68 and 209,335.91
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Solution
The fourth proportional to 370,484.30, 511,261.68 and 209,335.91 is: 288,879.79
Step by Step Solution
- Step 1: Write the proportion equation
370,484.30 : 511,261.68 = 209,335.91 : x - Step 2: Convert to fraction form
370,484.30/511,261.68 = 209,335.91/x - Step 3: Cross multiply
370,484.30x = 511,261.68 × 209,335.91 - Step 4: Simplify right side
370,484.30x = 107,025,426,474.62 - Step 5: Solve for x
x = 107,025,426,474.62/370,484.30 - Step 6: Final answer
x = 288,879.79
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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.