Finding the Fourth Proportional to 370,977.21, 511,948.58 and 209,828.79
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Solution
The fourth proportional to 370,977.21, 511,948.58 and 209,828.79 is: 289,563.74
Step by Step Solution
- Step 1: Write the proportion equation
370,977.21 : 511,948.58 = 209,828.79 : x - Step 2: Convert to fraction form
370,977.21/511,948.58 = 209,828.79/x - Step 3: Cross multiply
370,977.21x = 511,948.58 × 209,828.79 - Step 4: Simplify right side
370,977.21x = 107,421,550,034.47 - Step 5: Solve for x
x = 107,421,550,034.47/370,977.21 - Step 6: Final answer
x = 289,563.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.