Finding the Fourth Proportional to 345,559.31, 476,895.79 and 209,598.99
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Solution
The fourth proportional to 345,559.31, 476,895.79 and 209,598.99 is: 289,261.12
Step by Step Solution
- Step 1: Write the proportion equation
345,559.31 : 476,895.79 = 209,598.99 : x - Step 2: Convert to fraction form
345,559.31/476,895.79 = 209,598.99/x - Step 3: Cross multiply
345,559.31x = 476,895.79 × 209,598.99 - Step 4: Simplify right side
345,559.31x = 99,956,875,896.44 - Step 5: Solve for x
x = 99,956,875,896.44/345,559.31 - Step 6: Final answer
x = 289,261.12
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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.