Finding the Fourth Proportional to 616,717.08, 925,542.99 and 261,980.01
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Solution
The fourth proportional to 616,717.08, 925,542.99 and 261,980.01 is: 393,168.55
Step by Step Solution
- Step 1: Write the proportion equation
616,717.08 : 925,542.99 = 261,980.01 : x - Step 2: Convert to fraction form
616,717.08/925,542.99 = 261,980.01/x - Step 3: Cross multiply
616,717.08x = 925,542.99 × 261,980.01 - Step 4: Simplify right side
616,717.08x = 242,473,761,775.63 - Step 5: Solve for x
x = 242,473,761,775.63/616,717.08 - Step 6: Final answer
x = 393,168.55
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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.