Finding the Fourth Proportional to 414,937.60, 620,972.80 and 248,844.80
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Solution
The fourth proportional to 414,937.60, 620,972.80 and 248,844.80 is: 372,407.45
Step by Step Solution
- Step 1: Write the proportion equation
414,937.60 : 620,972.80 = 248,844.80 : x - Step 2: Convert to fraction form
414,937.60/620,972.80 = 248,844.80/x - Step 3: Cross multiply
414,937.60x = 620,972.80 × 248,844.80 - Step 4: Simplify right side
414,937.60x = 154,525,852,221.44 - Step 5: Solve for x
x = 154,525,852,221.44/414,937.60 - Step 6: Final answer
x = 372,407.45
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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.