Finding the Fourth Proportional to 415,468.02, 623,202.19 and 320,836.53
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Solution
The fourth proportional to 415,468.02, 623,202.19 and 320,836.53 is: 481,254.92
Step by Step Solution
- Step 1: Write the proportion equation
415,468.02 : 623,202.19 = 320,836.53 : x - Step 2: Convert to fraction form
415,468.02/623,202.19 = 320,836.53/x - Step 3: Cross multiply
415,468.02x = 623,202.19 × 320,836.53 - Step 4: Simplify right side
415,468.02x = 199,946,026,157.41 - Step 5: Solve for x
x = 199,946,026,157.41/415,468.02 - Step 6: Final answer
x = 481,254.92
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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.