Finding the Fourth Proportional to 424,470.66, 636,486.85 and 124,912.32
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Solution
The fourth proportional to 424,470.66, 636,486.85 and 124,912.32 is: 187,303.99
Step by Step Solution
- Step 1: Write the proportion equation
424,470.66 : 636,486.85 = 124,912.32 : x - Step 2: Convert to fraction form
424,470.66/636,486.85 = 124,912.32/x - Step 3: Cross multiply
424,470.66x = 636,486.85 × 124,912.32 - Step 4: Simplify right side
424,470.66x = 79,505,049,082.99 - Step 5: Solve for x
x = 79,505,049,082.99/424,470.66 - Step 6: Final answer
x = 187,303.99
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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.