Finding the Fourth Proportional to 424,880.11, 637,235.52 and 272,626.84
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Solution
The fourth proportional to 424,880.11, 637,235.52 and 272,626.84 is: 408,885.95
Step by Step Solution
- Step 1: Write the proportion equation
424,880.11 : 637,235.52 = 272,626.84 : x - Step 2: Convert to fraction form
424,880.11/637,235.52 = 272,626.84/x - Step 3: Cross multiply
424,880.11x = 637,235.52 × 272,626.84 - Step 4: Simplify right side
424,880.11x = 173,727,506,153.36 - Step 5: Solve for x
x = 173,727,506,153.36/424,880.11 - Step 6: Final answer
x = 408,885.95
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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.