Finding the Fourth Proportional to 487,195.74, 730,892.16 and 202,907.70
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Solution
The fourth proportional to 487,195.74, 730,892.16 and 202,907.70 is: 304,402.59
Step by Step Solution
- Step 1: Write the proportion equation
487,195.74 : 730,892.16 = 202,907.70 : x - Step 2: Convert to fraction form
487,195.74/730,892.16 = 202,907.70/x - Step 3: Cross multiply
487,195.74x = 730,892.16 × 202,907.70 - Step 4: Simplify right side
487,195.74x = 148,303,647,133.63 - Step 5: Solve for x
x = 148,303,647,133.63/487,195.74 - Step 6: Final answer
x = 304,402.59
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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.