Finding the Fourth Proportional to 624,043.28, 935,886.36 and 203,355.92
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Solution
The fourth proportional to 624,043.28, 935,886.36 and 203,355.92 is: 304,975.69
Step by Step Solution
- Step 1: Write the proportion equation
624,043.28 : 935,886.36 = 203,355.92 : x - Step 2: Convert to fraction form
624,043.28/935,886.36 = 203,355.92/x - Step 3: Cross multiply
624,043.28x = 935,886.36 × 203,355.92 - Step 4: Simplify right side
624,043.28x = 190,318,031,753.25 - Step 5: Solve for x
x = 190,318,031,753.25/624,043.28 - Step 6: Final answer
x = 304,975.69
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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.