Finding the Fourth Proportional to 645,283.68, 967,922.24 and 165,509.44
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Solution
The fourth proportional to 645,283.68, 967,922.24 and 165,509.44 is: 248,263.32
Step by Step Solution
- Step 1: Write the proportion equation
645,283.68 : 967,922.24 = 165,509.44 : x - Step 2: Convert to fraction form
645,283.68/967,922.24 = 165,509.44/x - Step 3: Cross multiply
645,283.68x = 967,922.24 × 165,509.44 - Step 4: Simplify right side
645,283.68x = 160,200,267,905.95 - Step 5: Solve for x
x = 160,200,267,905.95/645,283.68 - Step 6: Final answer
x = 248,263.32
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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.