Finding the Fourth Proportional to 414,908.60, 620,929.30 and 248,815.80
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Solution
The fourth proportional to 414,908.60, 620,929.30 and 248,815.80 is: 372,363.99
Step by Step Solution
- Step 1: Write the proportion equation
414,908.60 : 620,929.30 = 248,815.80 : x - Step 2: Convert to fraction form
414,908.60/620,929.30 = 248,815.80/x - Step 3: Cross multiply
414,908.60x = 620,929.30 × 248,815.80 - Step 4: Simplify right side
414,908.60x = 154,497,020,522.94 - Step 5: Solve for x
x = 154,497,020,522.94/414,908.60 - Step 6: Final answer
x = 372,363.99
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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.