Finding the Fourth Proportional to 297,612.80, 415,724.80 and 297,612.80
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Solution
The fourth proportional to 297,612.80, 415,724.80 and 297,612.80 is: 415,724.80
Step by Step Solution
- Step 1: Write the proportion equation
297,612.80 : 415,724.80 = 297,612.80 : x - Step 2: Convert to fraction form
297,612.80/415,724.80 = 297,612.80/x - Step 3: Cross multiply
297,612.80x = 415,724.80 × 297,612.80 - Step 4: Simplify right side
297,612.80x = 123,725,021,757.44 - Step 5: Solve for x
x = 123,725,021,757.44/297,612.80 - Step 6: Final answer
x = 415,724.80
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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.