Finding the Fourth Proportional to 424,971.25, 637,526.10 and 125,482.09
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Solution
The fourth proportional to 424,971.25, 637,526.10 and 125,482.09 is: 188,243.58
Step by Step Solution
- Step 1: Write the proportion equation
424,971.25 : 637,526.10 = 125,482.09 : x - Step 2: Convert to fraction form
424,971.25/637,526.10 = 125,482.09/x - Step 3: Cross multiply
424,971.25x = 637,526.10 × 125,482.09 - Step 4: Simplify right side
424,971.25x = 79,998,107,457.55 - Step 5: Solve for x
x = 79,998,107,457.55/424,971.25 - Step 6: Final answer
x = 188,243.58
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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.