Finding the Fourth Proportional to 399,153.40, 597,923.70 and 248,932.60
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Solution
The fourth proportional to 399,153.40, 597,923.70 and 248,932.60 is: 372,895.99
Step by Step Solution
- Step 1: Write the proportion equation
399,153.40 : 597,923.70 = 248,932.60 : x - Step 2: Convert to fraction form
399,153.40/597,923.70 = 248,932.60/x - Step 3: Cross multiply
399,153.40x = 597,923.70 × 248,932.60 - Step 4: Simplify right side
399,153.40x = 148,842,701,242.62 - Step 5: Solve for x
x = 148,842,701,242.62/399,153.40 - Step 6: Final answer
x = 372,895.99
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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.