Finding the Fourth Proportional to 424,946.21, 637,270.79 and 125,347.26
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Solution
The fourth proportional to 424,946.21, 637,270.79 and 125,347.26 is: 187,977.08
Step by Step Solution
- Step 1: Write the proportion equation
424,946.21 : 637,270.79 = 125,347.26 : x - Step 2: Convert to fraction form
424,946.21/637,270.79 = 125,347.26/x - Step 3: Cross multiply
424,946.21x = 637,270.79 × 125,347.26 - Step 4: Simplify right side
424,946.21x = 79,880,146,777.80 - Step 5: Solve for x
x = 79,880,146,777.80/424,946.21 - Step 6: Final answer
x = 187,977.08
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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.