Finding the Fourth Proportional to 370,990.52, 511,966.96 and 209,842.08
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Solution
The fourth proportional to 370,990.52, 511,966.96 and 209,842.08 is: 289,582.09
Step by Step Solution
- Step 1: Write the proportion equation
370,990.52 : 511,966.96 = 209,842.08 : x - Step 2: Convert to fraction form
370,990.52/511,966.96 = 209,842.08/x - Step 3: Cross multiply
370,990.52x = 511,966.96 × 209,842.08 - Step 4: Simplify right side
370,990.52x = 107,432,211,777.68 - Step 5: Solve for x
x = 107,432,211,777.68/370,990.52 - Step 6: Final answer
x = 289,582.09
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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.