Finding the Fourth Proportional to 330,639.41, 456,366.08 and 203,428.91
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Solution
The fourth proportional to 330,639.41, 456,366.08 and 203,428.91 is: 280,783.39
Step by Step Solution
- Step 1: Write the proportion equation
330,639.41 : 456,366.08 = 203,428.91 : x - Step 2: Convert to fraction form
330,639.41/456,366.08 = 203,428.91/x - Step 3: Cross multiply
330,639.41x = 456,366.08 × 203,428.91 - Step 4: Simplify right side
330,639.41x = 92,838,054,215.37 - Step 5: Solve for x
x = 92,838,054,215.37/330,639.41 - Step 6: Final answer
x = 280,783.39
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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.