Finding the Fourth Proportional to 670,929.21, 1,006,393.95 and 197,614.62
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Solution
The fourth proportional to 670,929.21, 1,006,393.95 and 197,614.62 is: 296,421.97
Step by Step Solution
- Step 1: Write the proportion equation
670,929.21 : 1,006,393.95 = 197,614.62 : x - Step 2: Convert to fraction form
670,929.21/1,006,393.95 = 197,614.62/x - Step 3: Cross multiply
670,929.21x = 1,006,393.95 × 197,614.62 - Step 4: Simplify right side
670,929.21x = 198,878,157,999.55 - Step 5: Solve for x
x = 198,878,157,999.55/670,929.21 - Step 6: Final answer
x = 296,421.97
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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.