Finding the Fourth Proportional to 372,236.16, 513,864.36 and 229,118.88
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Solution
The fourth proportional to 372,236.16, 513,864.36 and 229,118.88 is: 316,293.90
Step by Step Solution
- Step 1: Write the proportion equation
372,236.16 : 513,864.36 = 229,118.88 : x - Step 2: Convert to fraction form
372,236.16/513,864.36 = 229,118.88/x - Step 3: Cross multiply
372,236.16x = 513,864.36 × 229,118.88 - Step 4: Simplify right side
372,236.16x = 117,736,026,635.12 - Step 5: Solve for x
x = 117,736,026,635.12/372,236.16 - Step 6: Final answer
x = 316,293.90
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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.