Finding the Fourth Proportional to 670,880.96, 1,006,420.93 and 221,649.29
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Solution
The fourth proportional to 670,880.96, 1,006,420.93 and 221,649.29 is: 332,506.80
Step by Step Solution
- Step 1: Write the proportion equation
670,880.96 : 1,006,420.93 = 221,649.29 : x - Step 2: Convert to fraction form
670,880.96/1,006,420.93 = 221,649.29/x - Step 3: Cross multiply
670,880.96x = 1,006,420.93 × 221,649.29 - Step 4: Simplify right side
670,880.96x = 223,072,478,989.41 - Step 5: Solve for x
x = 223,072,478,989.41/670,880.96 - Step 6: Final answer
x = 332,506.80
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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.