Finding the Fourth Proportional to 399,560.20, 551,409.80 and 229,794.44
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Solution
The fourth proportional to 399,560.20, 551,409.80 and 229,794.44 is: 317,125.95
Step by Step Solution
- Step 1: Write the proportion equation
399,560.20 : 551,409.80 = 229,794.44 : x - Step 2: Convert to fraction form
399,560.20/551,409.80 = 229,794.44/x - Step 3: Cross multiply
399,560.20x = 551,409.80 × 229,794.44 - Step 4: Simplify right side
399,560.20x = 126,710,906,201.51 - Step 5: Solve for x
x = 126,710,906,201.51/399,560.20 - Step 6: Final answer
x = 317,125.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.