Finding the Fourth Proportional to 415,029.60, 621,110.80 and 248,936.80
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Solution
The fourth proportional to 415,029.60, 621,110.80 and 248,936.80 is: 372,545.32
Step by Step Solution
- Step 1: Write the proportion equation
415,029.60 : 621,110.80 = 248,936.80 : x - Step 2: Convert to fraction form
415,029.60/621,110.80 = 248,936.80/x - Step 3: Cross multiply
415,029.60x = 621,110.80 × 248,936.80 - Step 4: Simplify right side
415,029.60x = 154,617,334,997.44 - Step 5: Solve for x
x = 154,617,334,997.44/415,029.60 - Step 6: Final answer
x = 372,545.32
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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.