Finding the Fourth Proportional to 690,901.13, 1,036,474.73 and 235,467.11
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Solution
The fourth proportional to 690,901.13, 1,036,474.73 and 235,467.11 is: 353,242.60
Step by Step Solution
- Step 1: Write the proportion equation
690,901.13 : 1,036,474.73 = 235,467.11 : x - Step 2: Convert to fraction form
690,901.13/1,036,474.73 = 235,467.11/x - Step 3: Cross multiply
690,901.13x = 1,036,474.73 × 235,467.11 - Step 4: Simplify right side
690,901.13x = 244,055,709,261.13 - Step 5: Solve for x
x = 244,055,709,261.13/690,901.13 - Step 6: Final answer
x = 353,242.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.