Finding the Fourth Proportional to 637,673.14, 880,028.72 and 351,193.15
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Solution
The fourth proportional to 637,673.14, 880,028.72 and 351,193.15 is: 484,668.46
Step by Step Solution
- Step 1: Write the proportion equation
637,673.14 : 880,028.72 = 351,193.15 : x - Step 2: Convert to fraction form
637,673.14/880,028.72 = 351,193.15/x - Step 3: Cross multiply
637,673.14x = 880,028.72 × 351,193.15 - Step 4: Simplify right side
637,673.14x = 309,060,058,928.31 - Step 5: Solve for x
x = 309,060,058,928.31/637,673.14 - Step 6: Final answer
x = 484,668.46
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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.