Finding the Fourth Proportional to 377,201.31, 520,527.43 and 207,435.44
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Solution
The fourth proportional to 377,201.31, 520,527.43 and 207,435.44 is: 286,255.19
Step by Step Solution
- Step 1: Write the proportion equation
377,201.31 : 520,527.43 = 207,435.44 : x - Step 2: Convert to fraction form
377,201.31/520,527.43 = 207,435.44/x - Step 3: Cross multiply
377,201.31x = 520,527.43 × 207,435.44 - Step 4: Simplify right side
377,201.31x = 107,975,832,834.31 - Step 5: Solve for x
x = 107,975,832,834.31/377,201.31 - Step 6: Final answer
x = 286,255.19
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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.