Finding the Fourth Proportional to 457,838.01, 631,684.80 and 264,230.19
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Solution
The fourth proportional to 457,838.01, 631,684.80 and 264,230.19 is: 364,561.68
Step by Step Solution
- Step 1: Write the proportion equation
457,838.01 : 631,684.80 = 264,230.19 : x - Step 2: Convert to fraction form
457,838.01/631,684.80 = 264,230.19/x - Step 3: Cross multiply
457,838.01x = 631,684.80 × 264,230.19 - Step 4: Simplify right side
457,838.01x = 166,910,194,724.11 - Step 5: Solve for x
x = 166,910,194,724.11/457,838.01 - Step 6: Final answer
x = 364,561.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.