Finding the Fourth Proportional to 278,392.40, 384,190.04 and 163,649.99
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Solution
The fourth proportional to 278,392.40, 384,190.04 and 163,649.99 is: 225,842.00
Step by Step Solution
- Step 1: Write the proportion equation
278,392.40 : 384,190.04 = 163,649.99 : x - Step 2: Convert to fraction form
278,392.40/384,190.04 = 163,649.99/x - Step 3: Cross multiply
278,392.40x = 384,190.04 × 163,649.99 - Step 4: Simplify right side
278,392.40x = 62,872,696,204.10 - Step 5: Solve for x
x = 62,872,696,204.10/278,392.40 - Step 6: Final answer
x = 225,842.00
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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.