Finding the Fourth Proportional to 424,888.08, 637,183.62 and 125,289.12
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Solution
The fourth proportional to 424,888.08, 637,183.62 and 125,289.12 is: 187,889.89
Step by Step Solution
- Step 1: Write the proportion equation
424,888.08 : 637,183.62 = 125,289.12 : x - Step 2: Convert to fraction form
424,888.08/637,183.62 = 125,289.12/x - Step 3: Cross multiply
424,888.08x = 637,183.62 × 125,289.12 - Step 4: Simplify right side
424,888.08x = 79,832,175,028.21 - Step 5: Solve for x
x = 79,832,175,028.21/424,888.08 - Step 6: Final answer
x = 187,889.89
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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.