Finding the Fourth Proportional to 424,966.12, 637,518.41 and 125,476.97
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Solution
The fourth proportional to 424,966.12, 637,518.41 and 125,476.97 is: 188,235.90
Step by Step Solution
- Step 1: Write the proportion equation
424,966.12 : 637,518.41 = 125,476.97 : x - Step 2: Convert to fraction form
424,966.12/637,518.41 = 125,476.97/x - Step 3: Cross multiply
424,966.12x = 637,518.41 × 125,476.97 - Step 4: Simplify right side
424,966.12x = 79,993,878,406.02 - Step 5: Solve for x
x = 79,993,878,406.02/424,966.12 - Step 6: Final answer
x = 188,235.90
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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.