Finding the Fourth Proportional to 424,898.22, 637,364.91 and 125,378.79
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Solution
The fourth proportional to 424,898.22, 637,364.91 and 125,378.79 is: 188,073.37
Step by Step Solution
- Step 1: Write the proportion equation
424,898.22 : 637,364.91 = 125,378.79 : x - Step 2: Convert to fraction form
424,898.22/637,364.91 = 125,378.79/x - Step 3: Cross multiply
424,898.22x = 637,364.91 × 125,378.79 - Step 4: Simplify right side
424,898.22x = 79,912,041,204.26 - Step 5: Solve for x
x = 79,912,041,204.26/424,898.22 - Step 6: Final answer
x = 188,073.37
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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.