Finding the Fourth Proportional to 355,907.04, 491,148.05 and 202,970.13
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Solution
The fourth proportional to 355,907.04, 491,148.05 and 202,970.13 is: 280,096.69
Step by Step Solution
- Step 1: Write the proportion equation
355,907.04 : 491,148.05 = 202,970.13 : x - Step 2: Convert to fraction form
355,907.04/491,148.05 = 202,970.13/x - Step 3: Cross multiply
355,907.04x = 491,148.05 × 202,970.13 - Step 4: Simplify right side
355,907.04x = 99,688,382,542.90 - Step 5: Solve for x
x = 99,688,382,542.90/355,907.04 - Step 6: Final answer
x = 280,096.69
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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.