Finding the Fourth Proportional to 492,630.24, 738,940.94 and 155,670.95
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Solution
The fourth proportional to 492,630.24, 738,940.94 and 155,670.95 is: 233,505.02
Step by Step Solution
- Step 1: Write the proportion equation
492,630.24 : 738,940.94 = 155,670.95 : x - Step 2: Convert to fraction form
492,630.24/738,940.94 = 155,670.95/x - Step 3: Cross multiply
492,630.24x = 738,940.94 × 155,670.95 - Step 4: Simplify right side
492,630.24x = 115,031,633,650.63 - Step 5: Solve for x
x = 115,031,633,650.63/492,630.24 - Step 6: Final answer
x = 233,505.02
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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.