Finding the Fourth Proportional to 424,879.08, 637,170.12 and 125,280.12
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Solution
The fourth proportional to 424,879.08, 637,170.12 and 125,280.12 is: 187,876.39
Step by Step Solution
- Step 1: Write the proportion equation
424,879.08 : 637,170.12 = 125,280.12 : x - Step 2: Convert to fraction form
424,879.08/637,170.12 = 125,280.12/x - Step 3: Cross multiply
424,879.08x = 637,170.12 × 125,280.12 - Step 4: Simplify right side
424,879.08x = 79,824,749,094.01 - Step 5: Solve for x
x = 79,824,749,094.01/424,879.08 - Step 6: Final answer
x = 187,876.39
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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.