Finding the Fourth Proportional to 147,772.80, 207,406.80 and 147,772.80
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Solution
The fourth proportional to 147,772.80, 207,406.80 and 147,772.80 is: 207,406.80
Step by Step Solution
- Step 1: Write the proportion equation
147,772.80 : 207,406.80 = 147,772.80 : x - Step 2: Convert to fraction form
147,772.80/207,406.80 = 147,772.80/x - Step 3: Cross multiply
147,772.80x = 207,406.80 × 147,772.80 - Step 4: Simplify right side
147,772.80x = 30,649,083,575.04 - Step 5: Solve for x
x = 30,649,083,575.04/147,772.80 - Step 6: Final answer
x = 207,406.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.