Finding the Fourth Proportional to 905,207.97, 1,357,811.75 and 231,290.54
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Solution
The fourth proportional to 905,207.97, 1,357,811.75 and 231,290.54 is: 346,935.75
Step by Step Solution
- Step 1: Write the proportion equation
905,207.97 : 1,357,811.75 = 231,290.54 : x - Step 2: Convert to fraction form
905,207.97/1,357,811.75 = 231,290.54/x - Step 3: Cross multiply
905,207.97x = 1,357,811.75 × 231,290.54 - Step 4: Simplify right side
905,207.97x = 314,049,006,665.01 - Step 5: Solve for x
x = 314,049,006,665.01/905,207.97 - Step 6: Final answer
x = 346,935.75
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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.