Finding the Fourth Proportional to 424,995.28, 637,562.10 and 125,506.14
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Solution
The fourth proportional to 424,995.28, 637,562.10 and 125,506.14 is: 188,279.64
Step by Step Solution
- Step 1: Write the proportion equation
424,995.28 : 637,562.10 = 125,506.14 : x - Step 2: Convert to fraction form
424,995.28/637,562.10 = 125,506.14/x - Step 3: Cross multiply
424,995.28x = 637,562.10 × 125,506.14 - Step 4: Simplify right side
424,995.28x = 80,017,958,181.29 - Step 5: Solve for x
x = 80,017,958,181.29/424,995.28 - Step 6: Final answer
x = 188,279.64
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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.